a slime mould, esp a slime mould of the phylum Myxomycota (division Myxomycetes in traditional classifications)
Derived forms
myxomycetous (ˌmyxomyˈcetous)
adjective
myxomycete in American English
(ˌmɪksoʊˈmaɪsit; ˌmɪksoʊmaɪˈsit)
noun
any of various primitive organisms, usually classified as a thallophyte (division Myxomycota) but also as a mycetozoan, that are found ondecaying vegetation, having a vegetative stage in which they move as a protozoan and a dry reproductive stage in which they form spores like a mold2 (sense 2); slime mold