[ kok-uh s ]
/ ˈkɒk əs /
noun, plural coc·ci [kok-sahy, -see] /ˈkɒk saɪ, -si/.
Bacteriology. a spherical bacterium.
Botany. one of the carpels of a schizocarp.
Origin of coccus
1755–65; < New Latin < Greek kókkos grain, seed, berry
Related formscoc·cal, coc·cic [kok-sik] /ˈkɒk sɪk/, adjectivecoc·cous, adjective
Definition for coccus (2 of 2)
a combining form representing coccus in compound words: streptococcus.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for coccus
Coccus (plural cocci), anciently a berry; now mostly used to denote the separable carpels or nutlets of a dry fruit.
This coccus is a native of Mexico, where two kinds are recognised, under names which signify wild cochineal and fine cochineal.
A bacillus, however short, can usually be distinguished from a coccus in that two sides are parallel.
The principal varieties of kermes are the coccus quercus, the coccus polonicus, the coccus fragariæ, and the coccus uva ursi.
British Dictionary definitions for coccus
noun plural -ci (-saɪ)
the part of a fruit that contains one seed and separates from the whole fruit at maturity
any of the scale insects of the genus Coccus
Derived Formscoccoid, coccal or coccic (ˈkɒksɪk), adjectivecoccous, adjective
Word Origin for coccus
C18: from New Latin, from Greek kokkos berry, grain
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
Word Origin and History for coccus
1763 as an insect genus (including the cochineal bug); 1883 as a type of bacterium, from Greek kokkos "grain, seed, berry" (see cocco-).
Online Etymology Dictionary, © 2010 Douglas Harper
Medicine definitions for coccus (1 of 2)
n. pl. coc•ci (kŏk′sī, kŏk′ī)
A bacterium of round, spheroidal, or ovoid form.
Related formscoc′coid′ (kŏk′oid′) null adj.
Medicine definitions for coccus (2 of 2)
A microorganism of spherical or spheroidal shape:streptococcus.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Science definitions for coccus
Plural cocci (kŏk′sī, kŏk′ī)
Any of various bacteria having a round or ovoid form such as streptococcus or staphylococcus, usually grouped in chains.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.