hemi

[ hem-ee ]

nounAutomotive.
  1. an internal-combustion engine having hemispherical combustion chambers.

Origin of hemi

1
Shortening of hemi-head

Other definitions for hemi- (2 of 2)

hemi-

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

Origin of hemi-

2
<Greek hēmi- half; cognate with Latin sēmi-semi-

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How to use hemi in a sentence

British Dictionary definitions for hemi-

hemi-

prefix
  1. half: hemicycle; hemisphere Compare demi- (def. 1), semi- (def. 1)

Origin of hemi-

1
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

Scientific definitions for hemi-

hemi-

  1. 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.