Search Result for "hexad": 
Wordnet 3.0

NOUN (1)

1. the cardinal number that is the sum of five and one;
[syn: six, 6, VI, sixer, sise, Captain Hicks, half a dozen, sextet, sestet, sextuplet, hexad]

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2 definitions retrieved:

The Collaborative International Dictionary of English v.0.48:

Hexad \Hex"ad\, n. [L. hexas, hexadis, the number six, Gr. ?, ?, fr. "e`x six.] (chem.) An atom whose valence is six, and which can be theoretically combined with, substituted for, or replaced by, six monad atoms or radicals; as, sulphur is a hexad in sulphuric acid. Also used as an adjective. [1913 Webster]
WordNet (r) 3.0 (2006):

hexad n 1: the cardinal number that is the sum of five and one [syn: six, 6, VI, sixer, sise, Captain Hicks, half a dozen, sextet, sestet, sextuplet, hexad]