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ease, by mere force of example. -- Psychical medicine, that department of medicine which treats of mental diseases.

the powers and functions of the human soul, so far as they are known by consciousness; a treatise on the human soul. Psychology, the science conversant about the phenomena of the mind, or conscious subject, or self. Sir W. Hamilton.

The science 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.

The treatment of disease by acting on the mind, as by suggestion; mind cure; psychotherapy.

That department of botany which treats of ferns.

One of a class of sacred Hindoo poetical works in the Sanskrit language which treat of the creation, destruction, and renovation of worlds, the genealogy and achievements of gods and heroes, the reigns of the Manus, and the transactions of their descendants. The principal Puranas are eighteen in number, and there are t…

e chemistry. See under Chemistry. -- Pure mathematics, that portion of mathematics which treats of the principles of the science, or contradistinction to applied mathematics, which treats of the application of the principles to the investigation of other branches of knowledge, or to the practical wants of life. See Ma…

ve; as, a purée of fish, or of potatoes; especially, a soup the thickening of which is so treated.

A discourse or treatise on fevers; the doctrine of fevers. Hooper.

Electricity developed by means of heat; the science which treats of electricity thus developed.

A crude acetate produced by treating pyroligneous acid with a metal or basic compound; as, pyrolignite of iron (iron liquor).

That branch of physical science which treats of the properties, phenomena, or effects of heat; also, a treatise on heat.

That branch of algebra which treats of quadratic equations.

Treatment shown by an enemy; mercy; especially, the act of sparing the life a conquered enemy; a refraining from pushing one's advantage to extremes. He magnified his own clemency, now they were at his mercy, to offer them quarter for their lives. Clarendon. Cocks and lambs . . . at the mercy of cats and wolves . . . m…

A brownish resinous substance obtained as a by-product in the treatment of cinchona bark. It consists of a mixture of several alkaloids. [Written also chinoidine.]

The science which treats of the cultivation of the cinchona, and of its use in medicine.

To taunt; to treat with quips. The more he laughs, and does her closely quip. Spenser.

Treatment of disease by means of Röntgen rays or other forms of radioactivity.

Hence, figuratively: To grate harshly upon; to offend by coarse or rough treatment or language; as, some sounds rasp the ear; his insults rasped my temper.

ratifying; the state of being ratified; confirmation; sanction; as, the ratification of a treaty.