Definition of "slime mold" []

• Any of various primitive organisms of the phylum Acrasiomycota, especially of the genus Dictyostelium, that grow on dung and decaying vegetation and have a life cycle characterized by a slimelike amoeboid stage and a multicellular reproductive stage. Also called cellular slime mold. (noun)
• Any of various organisms of the phylum Myxomycota that grow on decaying vegetation and in moist soil and have a similar but more advanced life cycle. Also called myxomycete. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "It’s possible that slime mold racing will be the next big trend at Woodbrook Elementary."
• "Ben drew four of the most beautiful molds known to humankind: Ceratiomyxa fruticulosa, otherwise known as white coral slime; Pulcherricium caeruleum, which is blue and sort of velvety; Licea sambucina, a slime mold made up of really tiny orange balls; and another slime mold, Lamproderma granulosum, that looks like greenish soap bubbles."