Theriac - Theurgist

Prev Next
[ Webster]

{ Theriac (?), Theriaca (?), } n. [L. theriaca an antidote against the bite of serpents, Gr. �: cf. F. thériaque. See .] 1. (Old Med.) An ancient composition esteemed efficacious against the effects of poison; especially, a certain compound of sixty-four drugs, prepared, pulverized, and reduced by means of honey to an electuary; -- called also theriaca Andromachi, and Venice treacle.
[ Webster]

2. Treacle; molasses. British Pharm.
[ Webster]

{ Theriac (?), Theriacal (?), } a. [Cf. F. thériacal.] Of or pertaining to theriac; medicinal. “Theriacal herbs.” Bacon.
[ Webster]

Therial (?), a. Theriac. [R.] Holland.
[ Webster]

Theriodont (?), n. (Paleon.) One of the Theriodontia. Used also adjectively.
[ Webster]

Theriodonta (?), n. pl. [NL.] (Paleon.) Same as .
[ Webster]

Theriodontia (?), n. pl. [NL., fr. Gr. � (dim. of � a beast) + �, �, a tooth.] (Paleon.) An extinct order of reptiles found in the Permian and Triassic formations in South Africa. In some respects they resembled carnivorous mammals. Called also Theromorpha.
[ Webster]

☞ They had biconcave vertebræ, ambulatory limbs, and a well-developed pelvis and shoulder girdle. Some of the species had large maxillary teeth. The head somewhat resembled that of a turtle. The Dicynodont is one of the best-known examples. See .
[ Webster]

Theriotomy (?), n. [Gr. � wild beast + � to cut.] Zoötomy.
[ Webster]

Therm (thẽrm), n. one of several units of heat, especially one equivalent to 1000 large calories, or 100,000 British thermal units.
[PJC]

Thermæ (?), n. pl. [L. See .] Springs or baths of warm or hot water.
[ Webster]

Thermal (?), a. [L. thermae hot springs, fr. Gr. �, pl. of � heat, fr. � hot, warm, � to warm, make hot; perhaps akin to L. formus warm, and E. forceps.] 1. Of or pertaining to heat; warm; hot; as, the thermal unit; thermal waters.
[ Webster]

The thermal condition of the earth. J. D. Forbes.
[ Webster]

2. caused by or affected by heat; as, thermal springs.
[PJC]

3. designed to retain heat; as, thermal underwear.
[PJC]

Coloq. Thermal conductivity , Coloq. Thermal spectrum . See under , and . -- Coloq. Thermal unit (Physics), a unit chosen for the comparison or calculation of quantities of heat. The unit most commonly employed is the amount of heat necessary to raise the temperature of one gram or one pound of water from zero to one degree Centigrade. See , and under .
[ Webster]

Thermally, adv. In a thermal manner.
[ Webster]

Thermantidote (?), n. [Gr. � heat + E. antidote.] A device for circulating and cooling the air, consisting essentially of a kind of roasting fan fitted in a window and incased in wet tatties. [India]

Will you bring me to book on the mountains, or where the thermantidotes play? Kipling.
[Webster Suppl.]

Thermetograph (?), n. [Gr. � heat + � measure + -graph.] A self-registering thermometer, especially one that registers the maximum and minimum during long periods. Nichol.
[ Webster]

Thermic (?), a. [Gr. � heat.] Of or pertaining to heat; due to heat; thermal; as, thermic lines.
[ Webster]

Coloq. Thermic balance . See . -- Coloq. Thermic fever (Med.), the condition of fever produced by sunstroke. See . -- Coloq. Thermic weight . (Mech.) Same as Heat weight, under .
[ Webster]

Thermidor (?), n. [F., fr. Gr. � warm, hot.] The eleventh month of the French republican calendar, -- commencing July 19, and ending August 17. See the Note under .
[ Webster]

Thermifugine (?), n. [Gr. � heat + L. fugere to flee.] (Chem.) An artificial alkaloid of complex composition, resembling thalline and used as an antipyretic, -- whence its name.
[ Webster]

Thermo- (?). A combining form from Gr. qermh heat, qermos hot, warm; as in thermochemistry, thermodynamic.
[ Webster]

{ Thermoanæsthesia or Thermoanesthesia } (?), n. [NL.] (Med.) Loss of power to distinguish heat or cold by touch.
[Webster Suppl.]

Thermobarograph (?), n. (Physics) An instrument for recording simultaneously the pressure and temperature of a gas; a combined thermograph and barograph.
[Webster Suppl.]

Thermobarometer (?), n. [Thermo- + barometer.] 1. (Physics) An instrument for determining altitudes by the boiling point of water.
[ Webster]

2. A siphon barometer adapted to be used also as a thermometer.
[Webster Suppl.]

Thermobattery (?), n. [Thermo- + battery.] A thermoelectric battery; a thermopile.
[ Webster]

Thermocautery (?), n. [Thermo- + cautery.] (Surg.) Cautery by the application of heat.
[ Webster]

Coloq. Paquelin's thermocautery , thermocautery by means of a hollow platinum point, which is kept constantly hot by the passage through it of benzine vapor.
[ Webster]

{ Thermochemic (?), Thermochemical (?), } a. (Chem. Physics) Of or pertaining to thermochemistry; obtained by, or employed in, thermochemistry.
[ Webster]

Thermochemistry (?), n. [Thermo- + chemistry.] That branch of chemical science which includes the investigation of the various relations existing between chemical action and that manifestation of force termed heat, or the determination of the heat evolved by, or employed in, chemical actions.
[ Webster]

Thermochroic (?), a. [Thermo- + Gr. �, �, color.] Pertaining to or designating heat rays that have undergone selective absorption and are therefore analogous to colored light rays.
[Webster Suppl.]

Thermochrosy (?), n. [Thermo- + Gr. � coloring.] (Physics) The property possessed by heat of being composed, like light, of rays of different degrees of refrangibility, which are unequal in rate or degree of transmission through diathermic substances.
[ Webster]

Thermocouple (?), n. A thermoelectric couple.
[Webster Suppl.]

Thermocurrent (?), n. [Thermo- + current.] (Physics) A current developed or set in motion by heat; specif., an electric current, in a heterogeneous circuit, due to differences of temperature between the junctions of the substances of which the circuit is composed.
[Webster Suppl.]

Thermodin (?), n. [G., fr. Gr. � heat.] (Pharm.) A white crystalline substance derived from urethane, used in medicine as an antipyretic, etc.
[Webster Suppl.]

Thermodynamic (?), a. [Thermo- + dynamic.] (Physics) Relating to thermodynamics; caused or operated by force due to the application of heat.
[ Webster]

Coloq. Thermodynamic function . See Heat weight, under .
[ Webster]

Thermodynamics (?), n. The science which treats of the mechanical action or relations of heat.
[ Webster]

Thermoelectric (?), a. (Physics) Pertaining to thermoelectricity; as, thermoelectric currents.
[ Webster]

{ Thermoelectric couple or Thermoelectric pair } (?). (Elec.) A union of two conductors, as bars or wires of dissimilar metals joined at their extremities, for producing a thermoelectric current.
[Webster Suppl.]

Thermoelectricity (?), n. [Thermo- + electricity: cf. F. thermoélectricité.] (Physics) Electricity developed in the action of heat. See the Note under .
[ Webster]

Thermoelectrometer (?), n. [Thermo- + electrometer.] (Physics) An instrument for measuring the strength of an electric current in the heat which it produces, or for determining the heat developed by such a current.
[ Webster]

Thermogen (?), n. [Thermo- + -gen.] (Old Chem.) Caloric; heat; regarded as a material but imponderable substance.
[ Webster]

Thermogenic (?), a. (Physiol.) Relating to heat, or to the production of heat; producing heat; thermogenous; as, the thermogenic tissues.
[ Webster]

Thermogenous (?), a. [Thermo- + -genous.] (Physiol.) Producing heat; thermogenic.
[ Webster]

Thermogram (?), n. (Physics) The trace or record made by means of a thermograph.
[Webster Suppl.]

Thermograph (?), n. [Thermo- + -graph.] (Physics) An instrument for automatically recording indications of the variation of temperature.
[ Webster]

Thermography (?), n. [Thermo- + -graphy.] Any process of writing involving the use of heat.
[Webster Suppl.]

Thermojunction (?), n. (Elec.) A junction of two dissimilar conductors used to produce a thermoelectric current, as in one form of pyrometer; a thermocouple.
[Webster Suppl.]

Thermology (thẽrmŏl�j�), n. [Thermo- + -logy.] A discourse on, or an account of, heat. Whewell.
[ Webster]

Thermoluminescence (?), n. (Physics) Luminescence exhibited by a substance on being moderately heated. It is shown esp. by certain substances that have been exposed to the action of light or to X-rays. -- Thermoluminescent (#), a.
[Webster Suppl.]

Thermolysin (?), n. [Thermo- + Gr. lyein to loose + -in.] (Biochem.) a proteolytic enzyme obtained from the bacterium Bacillus thermoproteolyticus, which hydrolyses the N-terminal amide bonds of hydrophobic amino acid residues in proteins. It is used in studies of protein structure. It has a molecular weight of about 37,500 and contains zinc and calcium in its active configuration. [MI11]
[PJC]

Thermolysis (thẽrmŏlĭsĭs), n. [Thermo- + Gr. lyein to loose.] (Chem.) The resolution of a compound into parts by heat; dissociation by heat.
[ Webster]

Thermolytic (thẽrm�lĭtĭk), a. Of or pertaining to thermolysis.
[Webster Suppl.]

Thermolyze (thẽrm�līz), v. t. (Chem.) To subject to thermolysis; to dissociate by heat.
[ Webster]

Thermomagnetism (thẽrm�măgnĕtĭz'm), n. [Thermo- + magnetism.] Magnetism as affected or caused by the action of heat; the relation of heat to magnetism.
[ Webster]

Thermometer (thẽrmŏm�tẽr), n. [Thermo- + -meter: cf. F. thermomètre. See .] (Physics) An instrument for measuring temperature, founded on the principle that changes of temperature in bodies are accompanied by proportional changes in their volumes or dimensions.
[ Webster]

☞ The thermometer usually consists of a glass tube of capillary bore, terminating in a bulb, and containing mercury or alcohol, which expanding or contracting according to the temperature to which it is exposed, indicates the degree of heat or cold by the amount of space occupied, as shown by the position of the top of the liquid column on a graduated scale. See , , and .
[ Webster]
To reduce degrees Fahrenheit to degrees Centigrade, substract 32° and multiply by 5/9; to reduce degrees Centigrade to degrees Fahrenheit, multiply by 9/5 and add 32°.
[ Webster]

Coloq. Air thermometer , Coloq. Balance thermometer , etc. See under , , etc. -- Coloq. Metallic thermometer , a form of thermometer indicating changes of temperature by the expansion or contraction of rods or strips of metal. -- Coloq. Register thermometer , or Coloq. Self-registering thermometer , a thermometer that registers the maximum and minimum of temperature occurring in the interval of time between two consecutive settings of the instrument. A common form contains a bit of steel wire to be pushed before the column and left at the point of maximum temperature, or a slide of enamel, which is drawn back by the liquid, and left within it at the point of minimum temperature.
[ Webster]

{ Thermometric (?), Thermometrical (?), } a. [Cf. F. thermométrique.] 1. Of or pertaining to a thermometer; as, the thermometrical scale or tube.
[ Webster]

2. Made, or ascertained, by means of a thermometer; as, thermometrical observations.
[ Webster]

Thermometrically (?), adv. In a thermometrical manner; by means of a thermometer.
[ Webster]

Thermometrograph (?), n. [Thermo- + Gr. � measure + -graph.] (Physics) An instrument for recording graphically the variations of temperature, or the indications of a thermometer.
[ Webster]

Thermometry (?), n. The estimation of temperature by the use of a thermometric apparatus.
[ Webster]

Thermomotor (?), n. A heat engine; a hot-air engine.
[Webster Suppl.]

Thermomultiplier (?), n. [Thermo- + multiplier.] Same as .
[ Webster]

Thermoneurosis (?), n. [NL.] (Med.) (a) A neurosis caused by exposure to heat. (b) A neurosis causing a rise or fall of a body's temperature.
[Webster Suppl.]

Thermoneutrality (?), n. (Chem.) Neutrality as regards heat effects.
[Webster Suppl.]

Thermophilic (?), a. [Thermo- + Gr. � loving + -ic.] Heat-loving; -- applied especially to microorganisms such as certain bacteria, fungi and algae, which grow best at temperatures above 40° C (e.g. between 50° and 60°), and in some cases at temperatures that would kill ordinary microorganisms. They are found in naturally hot locations, such as at hot springs or the thermal vents at the ocean bottom.
[Webster Suppl. +PJC]

Thermophone (?), n. [Thermo- + phone.] 1. A portable form of telethermometer, using a telephone in connection with a differential thermometer.
[Webster Suppl.]

2. A telephone involving heat effects, as changes in temperature (hence in length) due to pulsations of the line current in a fine wire connected with the receiver diaphragm.
[Webster Suppl.]

Thermophore (?), n. [Thermo- + Gr. � -bearing, fr. ferein to bear.] An apparatus for conveying heat, as a case containing material which retains its heat for a considerable period.
[Webster Suppl.]

Thermopile (?), n. [Thermo- + pile a heap.] (Physics) An instrument of extreme sensibility, used to determine slight differences and degrees of heat. It is composed of alternate bars of antimony and bismuth, or any two metals having different capacities for the conduction of heat, connected with an astatic galvanometer, which is very sensibly affected by the electric current induced in the system of bars when exposed even to the feeblest degrees of heat.
[ Webster]

Thermoregulator (?), n. (Physics) A device for the automatic regulation of temperature; a thermostat.
[Webster Suppl.]

Thermoscope (?), n. [Thermo- + -scope.] (Physics) An instrument for indicating changes of temperature without indicating the degree of heat by which it is affected; especially, an instrument contrived by Count Rumford which, as modified by Professor Leslie, was afterward called the differential thermometer.
[ Webster]

Thermoscopic (?), a. (Physics) Of or pertaining to the thermoscope; made by means of the thermoscope; as, thermoscopic observations.
[ Webster]

Thermosiphon (?), n. An arrangement of siphon tubes for assisting circulation in a liquid.
[Webster Suppl.]

Thermostable (?), a. [Thermo- + stable fixed.] (Physiol. Chem.) Capable of being heated to or somewhat above 55° C. without loss of special properties; -- said of proteins, immune substances, etc.
[Webster Suppl.]

Thermostat (?), n. [Thermo- + Gr. � to make to stand.] (Physics) A device which automatically regulates temperature, or provides a signal used by another device to regulate temperature. The temperature-sensitive signal may be electronic, as that produced by a thermocouple. The signal may also be caused mechanically, as by the unequal expansion of different metals, liquids, or gases by heat, which can then cause the opening or closing of the damper of a stove, or the like, as the heat becomes greater or less than is desired.
[ Webster +PJC]

Thermostatic (?), a. (Physics) Of or pertaining to the thermostat; made or effected by means of the thermostat.
[ Webster]

Thermosystaltic (?), a. [Thermo- + systaltic.] (Physiol.) Influenced in its contraction by heat or cold; -- said of a muscle.
[ Webster]

Thermotactic (?), a. (Physiol.) Of or retaining to thermotaxis.
[Webster Suppl.]

Thermotank (?), n. [Thermo- + ank.] A tank containing pipes through which circulates steam, water, air, or the like, for heating or cooling; -- used in some heating and ventilation systems.
[Webster Suppl.]

Thermotaxic (?), a. [Thermo- + Gr. � arrangement.] (Physiol.) Pertaining to, or connected with, the regulation of temperature in the animal body; as, the thermotaxic nervous system.
[ Webster]

Thermotaxis (?), n. [NL.; thermo- + Gr. � an arranging.] (Physiol.) (a) The property possessed by protoplasm of moving under the influence of heat. (b) Determination of the direction of locomotion by heat.
[Webster Suppl.]

Thermotensile (?), a. Pertaining to the variation of tensile strength with the temperature.
[Webster Suppl.]

Thermotension (?), n. [Thermo- + tension.] A process of increasing the strength of wrought iron by heating it to a determinate temperature, and giving to it, while in that state, a mechanical strain or tension in the direction in which the strength is afterward to be exerted.
[ Webster]

Thermotherapy (?), n. [Thermo- + therapy.] (Med.) Treatment of disease by heat, esp. by hot air.
[Webster Suppl.]

{ Thermotic (?), Thermotical (?), } a. [Gr. � heat, fr. � hot.] Of or pertaining to heat; produced by heat; as, thermotical phenomena. Whewell.
[ Webster]

Thermotics (?), n. The science of heat. Whewell.
[ Webster]

Thermotonus (?), n. [NL.; thermo- + tonus.] (Plant Physiol.) A condition of tonicity with respect to temperature.
[Webster Suppl.]

Thermotropic (?), a. (Bot.) Manifesting thermotropism.
[ Webster]

Thermotropism (?), n. [Thermo- + Gr. � to turn.] (Bot.) The phenomenon of turning towards a source of warmth, seen in the growing parts of some plants.
[ Webster]

Thermotype (?), n. [Thermo- + -type.] A picture (as of a slice of wood) obtained by first wetting the object slightly with hydrochloric or dilute sulphuric acid, then taking an impression with a press, and next strongly heating this impression.
[ Webster]

Thermotypy (?), n. The art or process of obtaining thermotypes.
[ Webster]

Thermovoltaic (?), a. [Thermo- + voltaic.] (Physics) Of or relating to heat and electricity; especially, relating to thermal effects produced by voltaic action. Faraday.
[ Webster]

Theroid (?), a. [Gr. qhr, qhros, wild beast + -oid.] (Med.) Resembling a beast in nature or habit; marked by animal characteristics; as, theroid idiocy.
[Webster Suppl.]

Theromorpha (?), n. pl. [NL.: Gr. qhr beast + morfh form.] (Paleon.) See .
[ Webster]

Theropoda (?), n. pl. [NL., fr. Gr. qhr a beast + �, �, foot.] (Paleon.) An order of carnivorous dinosaurs in which the feet are less birdlike, and hence more like those of an ordinary quadruped, than in the Ornithopoda. It includes the rapacious genera Megalosaurus, Creosaurus, and their allies.
[ Webster]

Thesaurus (?), n.; pl. Thesauri (#). [L. See .] A treasury or storehouse; hence, a repository, especially of knowledge; -- often applied to a comprehensive work, like a dictionary or cyclopedia.
[ Webster]

These (�ēz), pron. [OE. þes, þæs, a variant of þas, pl. of þes, thes, this. See , and cf. .] The plural of this. See .
[ Webster]

Thesicle (?), n. [Dim. of thesis.] A little or subordinate thesis; a proposition.
[ Webster]

Thesis (?), n.; pl. Theses (#). [L., fr. Gr. �, fr. � to place, set. See , and cf. , , , , , , a cover.] 1. A position or proposition which a person advances and offers to maintain, or which is actually maintained by argument.
[ Webster]

2. Hence, an essay or dissertation written upon specific or definite theme; especially, an essay presented by a candidate for a diploma or degree.
[ Webster]

I told them of the grave, becoming, and sublime deportment they should assume upon this mystical occasion, and read them two homilies and a thesis of my own composing, to prepare them. Goldsmith.
[ Webster]

3. (Logic) An affirmation, or distinction from a supposition or hypothesis.
[ Webster]

4. (Mus.) The accented part of the measure, expressed by the downward beat; -- the opposite of arsis.
[ Webster]

5. (Pros.) (a) The depression of the voice in pronouncing the syllables of a word. (b) The part of the foot upon which such a depression falls.
[ Webster]

Thesmothete (?), n. [Gr. �; � that which is established, a law (fr. � to set) + � a giver (also fr. �).] (Gr. Antiq.) A lawgiver; a legislator; one of the six junior archons at Athens.
[ Webster]

Thespian (?), a. [From L. Thespis, Gr. �, the founder of the Greek drama.] Of or pertaining to Thespis; hence, relating to the drama; dramatic; as, the Thespian art. -- n. An actor.
[ Webster]

Thessalian (?), a. [Cf. L. Thessalius.] Of or pertaining to Thessaly in Greece. Shak. -- n. A native or inhabitant of Thessaly.
[ Webster]

Thessalonian (?), a. Of or pertaining to Thessalonica, a city of Macedonia. -- n. A native or inhabitant of Thessalonica.
[ Webster]

Theta (?), n. [L., fr. Gr. qh^ta, the Greek letter θ, Θ.] A letter of the Greek alphabet corresponding to th in English; -- sometimes called the unlucky letter, from being used by the judges on their ballots in passing condemnation on a prisoner, it being the first letter of the Greek qanatos, death.
[ Webster]

Coloq. Theta function (Math.), one of a group of functions used in developing the properties of elliptic functions.
[ Webster]

Thetical (?), a. [Gr. � fit for placing, fr. � to set, lay down. See .] Laid down; absolute or positive, as a law. Dr. H. More.
[ Webster]

Thetine (?), n. [Thio + ether + sulphine.] (Chem.) Any one of a series of complex basic sulphur compounds analogous to the sulphines.
[ Webster]

{ Theurgic (?), Theurgical (?), } a. [L. theurgicus, Gr. �: cf. F. théurgique.] Of or pertaining to theurgy; magical.
[ Webster]

Coloq. Theurgic hymns , songs of incantation.
[ Webster]

Theurgist (?), n. [Cf. F. théurgiste.] One who pretends to, or is addicted to, theurgy. Hallywell.
[ Webster]

Prev Next

Concept Explore Home

A B C D E F G H I J K L M N O P Q R S T U V W X Y Z