hexad

== English == === Etymology === From hex- +‎ -ad. === Pronunciation === (Received Pronunciation, General American) IPA(key): /ˈhɛksæd/ Hyphenation: hex‧ad === Noun === hexad (plural hexads) A group of six. Synonym: sextet (chemistry) An element or radical with the combining power of six units, i.e. six atoms of hydrogen. ==== Coordinate terms ==== (group) monad, duad/dyad, triad, tetrad, pentad, hexad, hebdomad/heptad, ogdoad/octad, ennead/nonad, decad/decade, hendecad, dodecad/duodecade, chiliad ==== Derived terms ==== hexadic