Medical term:

per

PER

Abbreviation for protein efficiency ratio.

Medical Dictionary for the Health Professions and Nursing © Farlex 2012

per

(per) [L. per, through]

1. Through, by, by means or agency of.

2. For each unit or entity, e.g., milligrams per kilogram, usually written as mg/kg.

PER

Abbreviation for protein efficiency ratio.

Medical Dictionary for the Dental Professions © Farlex 2012

per-

word element [L.]

1. throughout; completely; extremely.

2. in chemistry, a large amount; combination of an element in its highest valence.

per-

Do not confuse this prefix with peri-.

1. Through, conveying intensity.
See also: peroxy-.

2. In chemistry, a prefix denoting either 1) more or most, with respect to the amount of a given element (usually oxygen, as in perchloric acid) or radical contained in a compound, or 2) the degree of substitution for hydrogen, as in peroxides, peroxy acids (for example, hydrogen peroxide, peroxyformic acid).
See also: peroxy-.

[L. through, throughout, extremely]

per-

1. Prefix meaning through; denoting intensity.

2. chemistry More or most, with respect to the amount of a given element or radical contained in a compound; the degree of substitution for hydrogen, as in peroxides, peroxy acids (e.g., hydrogen peroxide, peroxyformic acid).
See also: peroxy-

[L. through, throughout, extremely]

per-

prefix denoting thorough, very, extremely.

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