- perissad
- [pəʹrısæd] n хим.
элемент с нечётной валентностью
Новый большой англо-русский словарь. 2001.
Новый большой англо-русский словарь. 2001.
Perissad — Per is*sad, a. [Gr. ? odd, from ? over.] (Chem.) Odd; not even; said of elementary substances and of radicals whose valence is not divisible by two without a remainder. Contrasted with artiad. [1913 Webster] … The Collaborative International Dictionary of English
perissad — pe·ris·sad … English syllables
perissad — pəˈrisəd, iˌsad noun ( s) Etymology: Greek perissos beyond the regular number or size, superfluous, excessive, uneven (from peri around, beyond) + English ad 1. obsolete : an element or radical of odd valence … Useful english dictionary
ar|ti|ad — «AHR tee ad», noun, adjective. –n. an atom or element whose valence is expressed by an even number. –adj. having the valence expressed by an even number. See also perissad. (Cf. ↑perissad) ╂[< Greek ártios even] … Useful english dictionary
artiad — ˈärd.ēˌad, rshēˌ noun ( s) Etymology: Greek artios even + English ad 1. a. obsolete : an element or radical of even valence b … Useful english dictionary