hemi

[ hem-ee ]
/ ˈhɛm i /

noun Automotive.

an internal-combustion engine having hemispherical combustion chambers.

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Origin of hemi

shortening of hemi-head

Definition for hemi (2 of 2)

hemi-

a combining form meaning “half,” used in the formation of compound words: hemimorphic.

Origin of hemi-

<Greek hēmi- half; cognate with Latin sēmi-semi-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for hemi

hemi-

prefix

halfhemicycle; hemisphere Compare demi- (def. 1), semi- (def. 1)

Word Origin for hemi-

from Latin, from Greek hēmi-
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

Medical definitions for hemi

hemi-

pref.

Half:hemicardia.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

Scientific definitions for hemi

hemi-

A prefix meaning “half,” as in hemisphere, half a sphere.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.