tetra-(redirected from tetr-)
Also found in: Medical.
1. Four: tetrode.
2. Containing four of a specified kind of atom, radical, or group: tetrachloride.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
tetra-or before a vowel
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
n., pl. -ras.
any of several small, brightly colored characin fishes, of tropical American waters.
a combining form meaning “four”: tetralogy.Also, esp. before a vowel,tetr-.
[< Greek, comb. form of téttares four]
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