English Dictionary

decad

/ˈdɛkæd/

noun

Archaic form of decade (“period of ten years”). / Archaic form of decade (“group of ten”). / (music) A group of ten notes from which the consonant triads may be constructed

The decad between 2000 and 2010 was a time of great technological advancements.

意味（1）

Archaic form of decade (“period of ten years”).

Since Averill was a decad and a half / His elder, and their parents underground

意味（2）

Archaic form of decade (“group of ten”).

Plato […] extends number as far as to the decad.

意味（3）

(music) A group of ten notes from which the consonant triads may be constructed