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Ray :: Ray (n.) Sight; perception; vision; -- from an old theory of vision, that sight was something which proceeded from the eye to the object seen..

Ecclesiology :: Ecclesiology (n.) The science or theory of church building and decoration.

Naturist :: Naturist (n.) One who believes in, or conforms to, the theory of naturism..

Plutonist :: Plutonist (n.) One who adopts the geological theory of igneous fusion; a Plutonian. See Plutonism.

Impressionist :: Impressionist (n.) One who adheres to the theory or method of impressionism, so called..

Wernerian :: Wernerian (a.) Of or pertaining to A. G. Werner, The German mineralogist and geologist, who classified minerals according to their external characters, and advocated the theory that the strata of the earth's crust were formed by depositions from water; designating, or according to, Werner's system..

Refutation :: Refutation (n.) The act or process of refuting or disproving, or the state of being refuted; proof of falsehood or error; the overthrowing of an argument, opinion, testimony, doctrine, or theory, by argument or countervailing proof..

Sound :: Sound (n.) The occasion of sound; the impulse or vibration which would occasion sound to a percipient if present with unimpaired; hence, the theory of vibrations in elastic media such cause sound; as, a treatise on sound..

Panspermist :: Panspermist (n.) A believer in panspermy; one who rejects the theory of spontaneous generation; a biogenist.

Physic :: Physic (n.) The art of healing diseases; the science of medicine; the theory or practice of medicine.

Theory :: Theory (n.) The science, as distinguished from the art; as, the theory and practice of medicine..

Ideal :: Ideal (a.) Teaching the doctrine of idealism; as, the ideal theory or philosophy..

Hobbism :: Hobbism (n.) The philosophical system of Thomas Hobbes, an English materialist (1588-1679); esp., his political theory that the most perfect form of civil government is an absolute monarchy with despotic control over everything relating to law, morals, and religion..

Socinianism :: Socinianism (n.) The tenets or doctrines of Faustus Socinus, an Italian theologian of the sixteenth century, who denied the Trinity, the deity of Christ, the personality of the Devil, the native and total depravity of man, the vicarious atonement, and the eternity of future punishment. His theory was, that Christ was a man divinely commissioned, who had no existence before he was conceived by the Virgin Mary; that human sin was the imitation of Adam's sin, and that human salvation was the imitat

Physicist :: Physicist (n.) A believer in the theory that the fundamental phenomena of life are to be explained upon purely chemical and physical principles; -- opposed to vitalist.

Idealism :: Idealism (n.) The system or theory that denies the existence of material bodies, and teaches that we have no rational grounds to believe in the reality of anything but ideas and their relations..

Hypothesis :: Hypothesis (n.) A tentative theory or supposition provisionally adopted to explain certain facts, and to guide in the investigation of others; hence, frequently called a working hypothesis..

Communist :: Communist (n.) An advocate for the theory or practice of communism.

Learned :: Learned (a.) Of or pertaining to learning; possessing, or characterized by, learning, esp. scholastic learning; erudite; well-informed; as, a learned scholar, writer, or lawyer; a learned book; a learned theory..

Automatism :: Automatism (n.) The state or quality of being automatic; the power of self-moving; automatic, mechanical, or involuntary action. (Metaph.) A theory as to the activity of matter..

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