Dictionary

decad en · NOUN

Pronunciation

• /ˈdɛkæd/

Etymology

Doublet of decade and dekad. By surface analysis, dec- + -ad.

Meanings

1. (alt-of, archaic) Archaic form of decade (“period of ten years”).
   alt of decade
   • Since Averill was a decad and a half / His elder, and their parents underground 1864, Alfred Tennyson, “Aylmer’s Field”, in Enoch Arden, &c., London: Edward Moxon & Co., […], →OCLC, page 55:
2. (alt-of, archaic) Archaic form of decade (“group of ten”).
   alt of decade
   • Plato […] extends number as far as to the decad. 1806, Aristotle, translated by Thomas Taylor, The Physics, or Physical Ausculation of Aristotle, page 167:
3. A group of ten notes from which the consonant triads may be constructed

Forms

Deriveds

heptadecad