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The Collaborative International Dictionary

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.


n. A group of six.


n. 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]

Usage examples of "hexad".

Yet volunteers in unknown hundreds of private starships ultimately rescued nearly 225,000 Imperial soldiers and an additional 113,000 Effer'wyckean troops, transporting them back to Avalon before the operation ended during the first metacycles of Standard date 2 Hexad 52012.