scum

Definition

  • n. a film of impurities or vegetation that can form on the surface of a liquid
  • v. remove the scum from

Word forms

Past participle
scummed
Present participle
scumming
Past tense
scummed
Third person singular
scums

Example sentences

  1. n.

    The pond was covered in scum, making it look dirty and uninviting.

  2. vt.

    Be sure to scum off the impurities from the soup before serving it.

  3. vi.

    The soda began to scum as soon as I opened the can.