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pentad |
3 definitions found From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pentad \Pen"tad\, n. [Gr. ?, ?, a body of five fr ? five.] (Chem.) 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. From Webster's Revised Unabridged Dictionary (1913) [web1913]: Pentad \Pen"tad\, a. (Chem.) Having the valence of a pentad. From WordNet r 1.6 [wn]: pentad n : the cardinal number that is the sum of four and one [syn: {five}, {5}, {V}, {cinque}, {quint}, {quintet}, {fivesome}, {quintuplet}, {fin}, {Phoebe}, {Little Phoebe}]
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