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eighty

[ey-tee] /ˈeɪ ti/
noun, plural eighties.
1.
a cardinal number, ten times eight.
2.
a symbol for this number, as 80 or LXXX.
3.
a set of this many persons or things.
4.
eighties, the numbers, years, degrees, or the like, from 80 through 89, as in referring to numbered streets, indicating the years of a lifetime or of a century, or degrees of temperature.
adjective
5.
amounting to 80 in number.
Origin
850
before 850; Middle English eighteti, Old English eahtatig. See eight, -ty1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for eighties
  • And finally in the eighties, attempts to reestablish sati as a justifiable practice.
  • Recession and its aftermath the cape colony in the eighteen eighties.
British Dictionary definitions for eighties

eighty

/ˈeɪtɪ/
noun (pl) -ies
1.
the cardinal number that is the product of ten and eight See also number (sense 1)
2.
a numeral, 80, LXXX, etc, representing this number
3.
(pl) the numbers 80–89, esp a person's age or the year of a particular century
4.
the amount or quantity that is eight times as big as ten
5.
something represented by, representing, or consisting of 80 units
determiner
6.
  1. amounting to eighty: eighty pages of nonsense
  2. (as pronoun): eighty are expected
Word Origin
Old English eahtatig; related to Old Frisian achtig, Old High German ahtozug
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for eighties
n.

1827 as the years of someone's life between ages 80 and 89; 1833 as the ninth decade of years in a given century; 1854 with reference to Fahrenheit temperature. See eighty.

eighty

n.

eigteti (late 13c.), from eight + -ty (1). Replacing Old English hundeahtatig, with hund- "ten." Related: Eightieth.

Online Etymology Dictionary, © 2010 Douglas Harper
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12
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