PER-


Meaning of PER- in English

prefix

Etymology: in sense 1, from Latin, throughout, thoroughly, completely, deviating from (also, used as verbal prefix with the meanings “through”, “throughout”, “thoroughly”, “detrimentally”, and to denote completion or perfection or intensification), from per through, by; in sense 2, from per through, by — more at for

1.

a. : throughout

per dominant

b.

(1) : containing the largest possible or a relatively large proportion of a (specified) chemical element especially as a result of exhaustive substitution for hydrogen or of exhaustive addition in an organic compound or group

per chloroethylene

per hydronaphthalene C 10 H 18

— compare peroxide 1, prot- 2a

(2) : containing an element in its highest or a high oxidation state

per chloric acid

(3) : peroxy- — not used systematically

per sulfate

per benzoic acid

2. : through

per radius

: by means of

per lingual

per rectal

Webster's New International English Dictionary.      Новый международный словарь английского языка Webster.