In systems engineering, decade can also refer to a factor of 10, usually in regards to frequency. A -20dB/decade rolloff is standard in first-order filters.

Amy Lowell (1874-1925)

When you came, you were like red wine and honey,
And the taste of you burnt my mouth with its sweetness.
Now you are like morning bread,
Smooth and pleasant.
I hardly taste you at all for I know your savour,
But I am completely nourished.

Dec"ade (?), n. [F. d'ecade, L. decas, -adis, fr. Gr. , fr. ten. See Ten.]

A group or division of ten; esp., a period of ten years; a decennium; as, a decade of years or days; a decade of soldiers; the second decade of Livy.

[Written also decad.]

During this notable decade of years. Gladstone.

 

© Webster 1913.

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