perissad

== English == === Etymology === From Ancient Greek περισσός (perissós, “odd”) + -ad. === Adjective === perissad (not comparable) (chemistry) odd; not even; said of elementary substances and of radicals whose valence is not divisible by two without a remainder. Antonym: artiad === Noun === perissad (plural perissads) (chemistry) An atom of this kind. Antonym: artiad === Anagrams === despairs, ride pass, passerid, Pardesis