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decennary

[dih-sen-uh-ree]
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noun, plural de·cen·na·ries.
  1. a decennium.
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adjective
  1. pertaining to a period of ten years; decennial.
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Origin of decennary

1815–25; < Latin decenn(is) of ten years (dec(em) ten + -ennis, combining form of annus a year) + -ary
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for decennary

Historical Examples

  • Decennary, de-sen′ar-i, n. a period of ten years—also Decenn′ium.

    Chambers's Twentieth Century Dictionary (part 1 of 4: A-D)

    Various