decad
English edit
Etymology edit
(This etymology is missing or incomplete. Please add to it, or discuss it at the Etymology scriptorium.) Doublet of decade. By surface analysis, dec- + -ad.
Pronunciation edit
Noun edit
decad (plural decads)
- Archaic form of decade (“period of ten years”).
- 1864, Alfred Tennyson, “Aylmer’s Field”, in Enoch Arden, &c., London: Edward Moxon & Co., […], →OCLC, page 55:
- Since Averill was a decad and a half / His elder, and their parents underground
- Archaic form of decade (“group of ten”).
- 1806, Aristotle, translated by Thomas Taylor, The Physics, or Physical Ausculation of Aristotle, page 167:
- Plato […] extends number as far as to the decad.
- (music) A group of ten notes from which the consonant triads may be constructed
Coordinate terms edit
- (group) monad, duad/dyad, triad, tetrad, pentad, hexad, hebdomad/heptad, ogdoad/octad, ennead/nonad, decad/decade, hendecad, dodecad/duodecade, chiliad
Anagrams edit
Romanian edit
Pronunciation edit
Verb edit
decad
- inflection of decădea: