Per-

• 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 o......
Found on http://thinkexist.com/dictionary/meaning/per-/

Per-

Per- [ See Per .] 1. A prefix used to signify through , throughout , by , for , or as an intensive as per haps, by hap or chance; per ennial, that lasts throughout the year; per force, through or by force; per foliate, per forate; p...
Found on http://www.encyclo.co.uk/webster/P/51

per-

1. <prefix> 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. <chemistry> Originally, de...
Found on http://www.encyclo.co.uk/local/20973

per-

Type: Term Definitions: 1. Through, conveying intensity. 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 (hydrogen peroxide, peroxyformic ac...
Found on http://www.medilexicon.com/medicaldictionary.php?t=66816
No exact match found