as·​co·​my·​cete ˌa-skō-ˈmī-ˌsēt How to pronounce ascomycete (audio)
: any of a group (such as class Ascomycetes or subdivision Ascomycotina) of higher fungi (such as yeasts or molds) with septate hyphae and spores formed in asci
ascomycetous adjective

Word History


ultimately from Greek askos + mykēt-, mykēs fungus; akin to Greek myxa mucus — more at mucus

First Known Use

1872, in the meaning defined above

Time Traveler
The first known use of ascomycete was in 1872

Dictionary Entries Near ascomycete

Cite this Entry

“Ascomycete.” Dictionary, Merriam-Webster, Accessed 24 Mar. 2023.

Kids Definition


as·​co·​my·​cete ˌas-kō-ˈmī-ˌsēt How to pronounce ascomycete (audio)
: any of a class of higher fungi (as yeasts and molds) that have the hyphae divided by partitions and the spores produced in sacs

called also sac fungus

Medical Definition


: any of a group of higher fungi (as yeasts and molds) with spores formed in asci that are variously considered to form a class (Ascomycetes), a subdivision (Ascomycotina), or a division (Ascomycota)
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