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The department of science which is concerned with the mineralogical and chemical composition of rocks, and with their classification: lithology.

The science of the relations between climate and periodic biological phenomena, as the migrations and breeding of birds, the flowering and fruiting of plants, etc. -- Phe`no*log"ic*al (#), a. -- Phe`no*log"ic*al*ly, adv. -- Phe*nol"o*gist (#), n.

Phrenological.

In popular usage, the physiological hypothesis of Gall, that the mental faculties, and traits of character, are shown on the surface of the head or skull; craniology.

The history of genealogical development; the race history of an animal or vegetable type; the historic exolution of the phylon or tribe, in distinction from ontogeny, or the development of the individual organism, and from biogenesis, or life development generally.

Physiological.

To speculate in physiology; to make physiological investigations. Cudworth.

The tribal history of the functions, or the history of the paleontological development of vital activities, -- being a branch of phylogeny. See Morphophyly. Haeckel.

One who adopts the geological theory of igneous fusion; a Plutonian. See Plutonism.

ctice of disputation or controversy, especially on religious subjects; that branch of theological science which pertains to the history or conduct of ecclesiastical controversy.

One of the five most general relations of attributes involved in logical arrangements, namely, genus, species, difference, property, and accident.

ch were said in procession and not kneeling. Shipley. Procession of the Holy Ghost, a theological term applied to the relation of the Holy Spirit to the Father and the Son, the Eastern Church affirming that the Spirit proceeds from the Father only, and the Western Church that the Spirit proceeds from the Father and the…

A syllogism preliminary or logically essential to another syllogism; the conclusion of such a syllogism, which becomes a premise of the following syllogism.

n this act shall prejudice the rights of any person whatever. Provided the deductions are logical, they seem almost indifferent to their truth. G. H. Lewes.

to transform a sensory impression into a motor impulse. It is an important part of physiological or reaction time. See under Reaction.

, through a Greek alphabet, from the Phoenician, the ultimate origin being Egyptian. Etymologically, q or qu is most nearly related to a (ch, tch), p, q, and wh; as in cud, quid, L. equus, ecus, horse, Gr. equine, hippic; L. quod which, E. what; L. aquila, E. eaqle; E. kitchen, OE. kichene, AS. cycene, L. coquina.…

The union of four in one, as of four persons; -- analogous to the theological term trinity.

lus to an end organ of sense and the reaction or resulting movement; -- called also physiological time. -- Reaction wheel (Mech.), a water wheel driven by the reaction of water, usually one in which the water, entering it centrally, escapes at its periphery in a direction opposed to that of its motion by orifices at r…

To find by logical process; to explain or justify by reason or argument; -- usually with out; as, to reason out the causes of the librations of the moon.

One who reasons or argues; as, a fair reasoner; a close reasoner; a logical reasoner.