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Theodicy

A vindication of the justice of God in ordaining or permitting natural and moral evil.

Theodolite

An instrument used, especially in trigonometrical surveying, for the accurate measurement of horizontal angles, and also usually of vertical angles. It is variously constructed.

Theodolitic

Of or pertaining to a theodolite; made by means of a theodolite; as, theodolitic observations.

Theogony

The generation or genealogy of the gods; that branch of heathen theology which deals with the origin and descent of the deities; also, a poem treating of such genealogies; as, the Theogony of Hesiod.

Theologian

A person well versed in theology; a professor of theology or divinity; a divine.

Theological

Of or pertaining to theology, or the science of God and of divine things; as, a theological treatise.

Theologize

To frame a system of theology; to theorize or speculate upon theological subjects.

Theology

The science of God or of religion; the science which treats of the existence, character, and attributes of God, his laws and government, the doctrines we are to believe, and the duties we are to practice; divinity; (as more commonly understood) /the knowledge derivable from the Scriptures, the systematic exhibition of revealed truth, the science of Christian faith and life./

Theomachist

One who fights against the gods; one who resists God of the divine will.

Theomachy

A fighting against the gods, as the battle of the gaints with the gods.

Theomancy

A kind of divination drawn from the responses of oracles among heathen nations.

Theopathy

Capacity for religious affections or worship.

Theophanic

Of or pertaining to a theopany; appearing to man, as a god.

Theophany

A manifestation of God to man by actual appearance, usually as an incarnation.

Theophilanthropist

A member of a deistical society established at Paris during the French revolution.

Theophilosophic

Combining theism and philosophy, or pertaining to the combination of theism and philosophy.

Theopneusty

Divine inspiration; the supernatural influence of the Divine Spirit in qualifying men to receive and communicate revealed truth.

Theorbo

An instrument made like large lute, but having two necks, with two sets of pegs, the lower set holding the strings governed by frets, while to the upper set were attached the long bass strings used as open notes.

Theorem

To formulate into a theorem.

Theoretical Theoretic

Pertaining to theory; depending on, or confined to, theory or speculation; speculative; terminating in theory or speculation: not practical; as, theoretical learning; theoretic sciences.

Theoretics

The speculative part of a science; speculation.

Theorica

Public moneys expended at Athens on festivals, sacrifices, and public entertainments (especially theatrical performances), and in gifts to the people; -- also called theoric fund.

Theorist

One who forms theories; one given to theory and speculation; a speculatist.

Theorization

The act or product of theorizing; the formation of a theory or theories; speculation.

Theorize

To form a theory or theories; to form opinions solely by theory; to speculate.

Theorizer

One who theorizes or speculates; a theorist.

Theory

A doctrine, or scheme of things, which terminates in speculation or contemplation, without a view to practice; hypothesis; speculation.

Theosophy

Any system of philosophy or mysticism which proposes to attain intercourse with God and superior spirits, and consequent superhuman knowledge, by physical processes, as by the theurgic operations of some ancient Platonists, or by the chemical processes of the German fire philosophers; also, a direct, as distinguished from a revealed, knowledge of God, supposed to be attained by extraordinary illumination; especially, a direct insight into the processes of the divine mind, and the interior relations of the divine nature.

Therapeutae

A name given to certain ascetics said to have anciently dwelt in the neighborhood of Alexandria. They are described in a work attributed to Philo, the genuineness and credibility of which are now much discredited.

Therapeutical Therapeutic

Of or pertaining to the healing art; concerned in discovering and applying remedies for diseases; curative.

Therapeutics

That part of medical science which treats of the discovery and application of remedies for diseases.

Therapeutist

One versed in therapeutics, or the discovery and application of remedies.

There

In or at that place.

Thereby

By that; by that means; in consequence of that.

Therefore

For that or this reason, referring to something previously stated; for that.

Therein

In that or this place, time, or thing; in that particular or respect.

Thereinto

Into that or this, or into that place.

Theretofore

Up to that time; before then; -- correlative with heretofore.

Thereunto

Unto that or this; thereto; besides.

Therf

Not fermented; unleavened; -- said of bread, loaves, etc.

Theriaca Theriac

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.

Theriodont

One of the Theriodontia. Used also adjectively.

Theriodontia

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.

Therm

one of several units of heat, especially one equivalent to 1000 large calories, or 100,000 British thermal units.

Thermae

Springs or baths of warm or hot water.

Thermal

Of or pertaining to heat; warm; hot; as, the thermal unit; thermal waters.

Thermantidote

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.

Thermetograph

A self-registering thermometer, especially one that registers the maximum and minimum during long periods.

Thermic

Of or pertaining to heat; due to heat; thermal; as, thermic lines.

Thermidor

The eleventh month of the French republican calendar, -- commencing July 19, and ending August 17. See the Note under Vend/miaire.

Thermifugine

An artificial alkaloid of complex composition, resembling thalline and used as an antipyretic, -- whence its name.

Thermobarograph

An instrument for recording simultaneously the pressure and temperature of a gas; a combined thermograph and barograph.

Thermobarometer

An instrument for determining altitudes by the boiling point of water.

Thermochemistry

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.

Thermochroic

Pertaining to or designating heat rays that have undergone selective absorption and are therefore analogous to colored light rays.

Thermochrosy

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.

Thermocurrent

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.

Thermodin

A white crystalline substance derived from urethane, used in medicine as an antipyretic, etc.

Thermodynamic

Relating to thermodynamics; caused or operated by force due to the application of heat.

Thermodynamics

The science which treats of the mechanical action or relations of heat.

Thermoelectric

Pertaining to thermoelectricity; as, thermoelectric currents.

Thermoelectricity

Electricity developed in the action of heat. See the Note under Electricity.

Thermoelectrometer

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.

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