strep·​to·​my·​cete ˌstrep-tə-ˈmī-ˌsēt How to pronounce streptomycete (audio)
: any of a family (Streptomycetaceae) of actinomycetes (such as a streptomyces) that form vegetative mycelia which rarely break up into bacillary forms, have conidia borne on sporophores, and are typically aerobic soil saprophytes but include a few parasites of plants and animals

Word History


New Latin Streptomycet-, Streptomyces, genus name

First Known Use

1948, in the meaning defined above

Time Traveler
The first known use of streptomycete was in 1948

Dictionary Entries Near streptomycete

Cite this Entry

“Streptomycete.” Dictionary, Merriam-Webster, Accessed 19 May. 2024.

Medical Definition


strep·​to·​my·​cete -ˈmī-ˌsēt, -ˌmī-ˈsēt How to pronounce streptomycete (audio)
: any actinomycete (as a streptomyces) of the family Streptomycetaceae
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