Lexic.us

2. Prefix. (context: non-productive) In verbs: denoting the sense "thoroughly", as in '''perfect'''. ¹

3. Prefix. (context: non-productive) In verbs: denoting the sense "to destruction", as in '''pervert'''. ¹

4. Prefix. (context: non-productive) In adjectives and adverbs: denoting the sense "extremely", as in '''perfervid'''. ¹

5. Prefix. (chemistry) Forming nouns and adjectives denoting the maximum proportion of one element in a compound, as in '''peroxide'''. ¹

6. Prefix. (chemistry) Added to the name of an element in a polyatomic ion denote the number of that element (usually four). ¹

7. Prefix. (context: non-productive) Denoting the sense "by" or "per", as in '''perchance''' or '''perhaps'''. ¹

¹ Source: wiktionary.com

Medical Definition of Per-

1. 1. A prefix used to signify through, throughout, by, for, or as an intensive as perhaps, by hap or chance; perennial, that lasts throughout the year; perforce, through or by force; perfoliate, perforate; perspicuous, evident throughout or very evident; perplex, literally, to entangle very much. 2. Originally, denoting that the element to the name of which it is prefixed in the respective compounds exercised its highest valence; now, only that the element has a higher valence than in other similar compounds; thus, barium peroxide is the highest oxide of barium; while nitrogen and manganese peroxides, so-called, are not the highest oxides of those elements. (29 Oct 1998)

Lexicographical Neighbors of Per-

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