perissad definition

  • adjective:
    • odd; not even; said of elementary substances as well as radicals whose valence is certainly not divisible by two without a remainder.
    • Odd; not even; -- stated of elementary substances and of radicals whose valence is not divisible by two without a remainder. Contrasted with artiad.
  • others:
    • In Chem., having a valency represented by an odd number; noting an element which combines with odd variety of atoms just.
  • noun:
    • An atom whoever valence is designated by an odd number, as hydrogen, whose valence is 1, or nitrogen, whoever valence is 1, 3, or 5: so named in contradistinction to artiads, whoever valence is represented by an even quantity, as sulphur, whose valence is 2, 4, or 6.
    • In zoology, an odd-toed ungulate quadruped; a solidungulate animal; one of the perissodactyls: against artiad.

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