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  • equi
    equi
    noun
  • equi-
    equi-
    a combining form meaning “equal,” used in the formation of compound words.
  • equi–
    equi–
    A prefix that means “equal” or “equally,” as in equidistant.

equi

1 American  
[ek-wee] / ˈɛk wi /

noun

Linguistics.
  1. equi NP deletion.


equi- 2 American  
  1. a combining form meaning “equal,” used in the formation of compound words.

    equimolecular.


equi- British  

combining form

  1. equal or equally

    equidistant

    equilateral

"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

equi– Scientific  
  1. A prefix that means “equal” or “equally,” as in equidistant.


Etymology

Origin of equi-

Middle English < Latin aequi-, combining form representing aequus equal

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In late March, a facility in Wyoming was closed and an adoption event for wild horses was postponed because some animals developed Streptococcus equi, a bacterial infection similar to strep throat.

From New York Times • Apr. 28, 2022

More specifically, they were guinea pigs infected with a bacteria known as Streptococcus equi subspecies zooepidemicus.

From US News • Dec. 16, 2014

Never been known, past equi clibanum, The heat of horse-dung, under ground, in cellars, Or an ale-house darker than deaf John's; been lost To all mankind, but laundresses and tapsters, Had not I been.

From The Alchemist by Jonson, Ben

Nonne ego, cum lasso per Belgia stagna caballo Agmina liligeri fugeres victricia Galli, Ipse mei impositum dorso salientis equi te Hostibus eripui, salvumque in castra reduxi?

From Claverhouse by Morris, Mowbray

There is no Trojan horse, but the besiegers are treacherously introduced at a gate ubi extrinsecus portam equi sculptum caput erat.

From The Flourishing of Romance and the Rise of Allegory (Periods of European Literature, vol. II) by Saintsbury, George

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