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Same as Brownian movement, under Brownian.

A theory which explains inheritance by the transmission of the type of growth force possessed by one generation to another.

See Periphrase.

Peristaltic contraction or action.

A kind of coloring matter obtained from lichens.

A Persian idiom.

; -- sometimes conveying an unfavorable notion, as of doggedness or obstinacy. If they persist in pointing their batteries against particular persons, no laws of war forbid the making reprisals. Addison. Some positive, persisting fops we know, Who, if once wrong, will needs be always so. Pope. That face persists. It fl…

The quality or state of being persistent; staying or continuing quality; hence, in an unfavorable sense, doggedness; obstinacy.

Inclined to persist; having staying qualities; tenacious of position or purpose.

In a persistent manner.

Inclined to persist; tenacious of purpose; persistent. -- Per*sist"ing*ly, adv.

See Persistent. Shak.

The whooping cough.

That branch of pharmacology which treats of unprepared medicines or simples; -- called also pharmacography, and pharmacomathy.

See Phase. Creech.

A condition of the penis in which the prepuce can not be drawn back so as to uncover the glans penis.

Inflammation of external parts of the body; erysipelatous inflammation.

s in the cells almost simultaneously with the sugars. The chloroplasts perform photosynthesis only in light and within a certain range of temperature, varying according to climate. This is the only way in which a plant is able to organize carbohydrates. All plants without a chlorophyll apparatus, as the fungi, must be…

A disease (morbus pediculous) consisting in the excessive multiplication of lice on the human body.

ormerly applied to many wasting diseases, but is now usually restricted to pulmonary phthisis, or consumption. See Consumption. Fibroid phthisis. See under Fibroid.