Definition of Pentad
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(n.) Any element, atom, or radical, having a valence of five, or which can be combined with, substituted for, or compared with, five atoms of hydrogen or other monad; as, nitrogen is a pentad in the ammonium compounds.
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(a.) Having the valence of a pentad.
Antonyms of Pentad
No Antonyms Found.
Homophones of Pentad
No Homophones Found.