scum

(redirected from scums)
Also found in: Dictionary, Thesaurus, Financial, Acronyms, Idioms, Encyclopedia.
Related to scums: scummiest

scum

(skŭm),
A film of insoluble material that rises to the surface of a liquid, as in epistasis.
[M.E.]

scum

(skŭm) [ME. scume]
Slimy floating islands of bacteria or impurities on the surface of a culture; an interrupted pellicle of bacterial growth.