Dictionary
Gramatyka angielska
Word: Per-
ID Word Wordtype Definition 111989 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 oxides of those elements.
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Commodore | Apricate | Round | Sanctify | Thousand legs |