資料來源 : pyDict

奇價基; 奇價元素

資料來源 : Webster's Revised Unabridged Dictionary (1913)

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.