per-
prefixEtymology Borrowed from Old French per (modern French par).
1
Idiomatic, Morpheme Denoting the sense "by" or "per", as in perchance or perhaps.
per-
prefixEtymology Borrowed from Latin per and per-.
1
Idiomatic, Morpheme In verbs: denoting the sense "through", as in perforate.
2
Idiomatic, Morpheme In verbs: denoting the sense "thoroughly", as in perfect.
3
Idiomatic, Morpheme In verbs: denoting the sense "to destruction", as in pervert.
4
Idiomatic, Morpheme In adjectives and adverbs: denoting the sense "extremely", as in perfervid.
5
Chemistry, Natural sciences, Physical sciences Morpheme Forming nouns and adjectives denoting the maximum proportion of one element in a compound, as in peroxide.
6
Chemistry, Natural sciences, Physical sciences Morpheme Added to the name of an element in a polyatomic ion to denote the number of atoms of that element (usually four).