Definition of slime mold
: any of a group (such as Myxomycetes) of organisms formerly held to be lower fungi but now often considered protists that exist vegetatively in usually moist habitats as mobile plasmodia and reproduce by spores
Test Your Vocabulary
Name That Color
-
- Name that color:

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share slime mold
Time Traveler for slime mold
The first known use of slime mold was in 1880
See more words from the same year