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Related to symbiont: symbiosis


 (sĭm′bē-ŏnt′, -bī-)
An organism in a symbiotic relationship. Also called symbiote.

[Greek sumbiōn, sumbiount-, present participle of sumbioun, to live together; see symbiosis.]

sym′bi·on′tic adj.
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.


(Biology) an organism living in a state of symbiosis
[C19: from Greek sumbioun to live together, from bioun to live]
ˌsymbiˈontic adj
ˌsymbiˈontically adv
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˈsɪm biˌɒnt, -baɪ-)

an organism living in a state of symbiosis.
[1885–90; < Greek symbiont-, s. of symbiṓn, present participle of symbioûn to live together; see symbiosis, -biont]
sym`bi•on′tic, adj.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
References in periodicals archive ?
Koga, "Spiroplasma Symbiont of the pea aphid, Acyrthosiphon pisum (Insecta: Homoptera)," Applied and Environmental Microbiology, vol.
A complex LuxR-LuxI type quorum sensing network in a roseobacterial marine sponge symbiont activates flagellar motility and inhibits biofilm formation.
To account for a possible acclimation or adaptation of corals to thermal stress, like shifts to symbiont algae with a higher thermal tolerance, rather optimistic assumptions have been included in the study.
Studies to characterize the genes required for the biosynthesis of bryostatin 1 in B neritina revealed that the PKS genes required for the production of bryostatin 1 were located not in the bryozoan but rather in a symbiont Endobugula sertula (25).
We reported some time ago that repair of damage to the photosynthetic apparatus is impaired at elevated temperatures, so preventing photodamage in the symbiont should confer thermal tolerance to the corals" In the past decade, scientists have identified symbiont algae in clades from A through H, differing in their genetic and physiological characteristics.
Endosymbionts such as Cardinium can specifically impact such traits, being potentially involved in both interspecific conflict between host and symbiont, as well as intraspecific sexual conflict between the sexes (see Martin & Gage 2007).
This is the pool of genes, both termite and symbiont, that code for the enzymes that break down and digest lignocellulosic material.
This paper presents new records for the bird tick, description of a site where specimens may be readily collected, and comments on an apparent bacterial symbiont associated with the tick.
Wright becomes her first human symbiont. Symbionts are the vampire's human hosts and function as their food supply.
It is rich in minerals and beneficial bacteria with which it is a symbiont. The raw root (tuber) is often eaten as a salutary digestive food.
Her first symbiont is an athletic young construction worker.