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decadal

[dek-uh-dl] /ˈdɛk ə dl/
adjective
1.
of or relating to a decade.
Origin of decadal
1745-1755
First recorded in 1745-55; decade + -al1
Related forms
decadally, adverb
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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11
13
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