- an organism living in a state of symbiosis.
Also sym·bi·ote [sim-bee-oht, -bahy-] /ˈsɪm biˌoʊt, -baɪ-/.
Origin of symbiont
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
Examples from the Web for symbionts
Historical Examples of symbionts
The role of symbionts as sources of vitamins and growth factors for their insect hosts.
Cultivation and classification of "bacteroides," "symbionts," or "rickettsiae" of Blattella germanica.
- an organism living in a state of symbiosis
Word Origin for symbiont
C19: from Greek sumbioun to live together, from bioun to live
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
- An organism in a symbiotic relationship. In cases in which a distinction is made between two interacting organisms, the symbiont is the smaller of the two and is always a beneficiary in the relationship, while the larger organism is the host and may or may not derive a benefit. See also host parasite.
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