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[hek-tair] /ˈhɛk tɛər/
a unit of surface, or land, measure equal to 100 ares, or 10,000 square meters: equivalent to 2.471 acres.
Abbreviation: ha.
Origin of hectare
1800-10; < French; see hect-, are2 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for hectare
  • Nonirrigated areas average one to two metric tons a hectare.
  • Yield-tonnes per hectare, bushels per acre or whatever-is the traditional gauge of agriculture's performance.
  • These have squeezed more and more food out of each hectare of land.
  • Potato production continues to rise as both the land area devoted to potato production and yield per hectare increase.
British Dictionary definitions for hectare


one hundred ares. 1 hectare is equivalent to 10 000 square metres or 2.471 acres ha
Word Origin
C19: from French; see hecto-, are²
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 hectare

1810, from French hectare "a hundred ares," formed from Greek hekaton "hundred" (see hecatomb) + Latin area "vacant piece of ground" (see area). A superficial measure containing 100 ares, coined by decree of the French National Convention in 1795.

Online Etymology Dictionary, © 2010 Douglas Harper
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