Per-

Definition of 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; per spicuous, evident throughout or very evident; per plex, literally, to entangle very much.
	2.	(Chem.) 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 per oxide is the highest oxide of barium; while nitrogen and manganese per oxides, so-called, are not the highest oxides of those elements.

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