Found 2 items, similar to Hexad.
English → English (WordNet) Definition: hexad hexad 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]
English → English (gcide) Definition: Hexad 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]