noun /dəˈkeɪd,ˈdɛkeɪd/
The repeated exposure, over decades, to most taxa here treated has resulted in repeated modifications of both diagnoses and discussions, as initial ideas of the various taxa underwent—often repeated—conceptual modification.
b) (when referring to a named or numbered decade) Specifically, a period of ten years, beginning on January 1 of a year ending with a zero when written, and ending at midnight on December 31 of the year nine years later.
There are decades between 1.8 and 18, between 25 and 250 and between 0.03 and 0.003.
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