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The art of measuring the duration of mental processes, or of determining the time relations of mental phenomena. -- Psy`cho*met"ric, a.

Of or pertaining to psychophysics; involving the action or mutual relations of the psychical and physical in man. Psychophysical time (Physiol.), the time required for the mind to transform a sensory impression into a motor impulse. It is an important part of physiological or reaction time. See under Reaction.…

of the connection between nerve action and consciousness; the science which treats of the relations of the psychical and physical in their conjoint operation in man; the doctrine of the relation of function or dependence between body and soul.

or place; to place; to lay; to set; figuratively, to cause to be or exist in a specified relation, condition, or the like; to bring to a stated mental or moral condition; as, to put one in fear; to put a theory in practice; to put an enemy to fight. This present dignity, In which that I have put you. Chaucer. I will p…

mewhat smaller; also called bonobo. It is considered (1996) as having the closest genetic relationship to humans of any other animal. It is found in forests in Zaire, and is an endangered species.

orean philosophy is the idea of number, the recognition of the numerical and mathematical relations of things. Encyc. Brit. Pythagorean proposition (Geom.), the theorem that the square described upon the hypothenuse of a plane right-angled triangle is equal to the sum of the squares described upon the other two sides.…

or statement. How many qualificatives, correctives, and restrictives he inserteth in this relation. Fuller.

The relation of an object to number. Krauth-Fleming.

Radicalness; relation to root in essential to a root in essential nature or principle.

A combining form indicating connection with, or relation to, a radius or ray; specifically (Anat.), with the radius of the forearm; as, radio-ulnar, radiomuscular, radiocarpal.

Relation; proportion; conformity; correspondence; accord. 'T is obvious what rapport there is between the conceptions and languages in every country. Sir W. Temple. En` rap`port" ( Etym: [F.], in accord, harmony, or sympathy; having a mutual, especially a private, understanding; in mesmerism, in that relation of sympat…

Act or fact of coming or being drawn near or together; establishment or state of cordial relations.

Variation; prise fixed with relation to a standard; cost; charge; as, high or low rates of transportation. They come at dear rates from Japan. Locke.

The relation which one quantity or magnitude has to another of the same kind. It is expressed by the quotient of the division of the first by the second; thus, the ratio of 3 to 6 is expressed by a to b by a/b; or (less commonly) the second is made the dividend; as, a:b = b/a.

Expressing the type, structure, relations, and reactions of a compound; graphic; -- said of formulæ. See under Formula. Rational horizon. (Astron.) See Horizon, 2 (b). -- Rational quantity (Alg. ), one that can be expressed without the use of a radical sign, or in extract parts of unity; -- opposed to irrational or ra…

To adjust or settle again; to put in a different order or relation; to rearrange.

Used to denote different kinds of mutual relation; often with reference to the substitution of reciprocals for given quantities. See the Phrases below. Reciprocal equation (Math.), one which remains unchanged in form when the reciprocal of the unknown quantity is substituted for that quantity. -- Reciprocal figures (G…

e up accounts; to settle; to examine and strike the balance of debt and credit; to adjust relations of desert or penalty. "Parfay," sayst thou, "sometime he reckon shall." Chaucer. To reckon for, to answer for; to pay the account for. "If they fail in their bounden duty, they shall reckon for it one day." Bp. Sanderson…

ates which had passed ordinances of secession, and of reëstablishing their constitutional relations to the national government, after the close of the Civil War.

A combining form indicating connection with, or relation to, the rectum; as, recto-vesical.