symbiont.

An organism that lives in a close, lasting association with another organism of a different species.

Use it for

Words that belong together

• a microbial symbiont
• host and symbiont

On the page

The host could not digest the fibers without its microbial symbiont.

Usage notes

Primary category: sci-fi. Forms: Singular symbiont; plural symbionts. Legacy lexical fields mirror sense 1 only. Use numbered sense fields for all meanings. Established modern English lexical item. No separate regional spelling or grammatical inflection entry. Writing functions: description, setting. Commonness: uncommon.