1. serum

noun. ['ˈsɪrəm'] an amber, watery fluid, rich in proteins, that separates out when blood coagulates.


  • whey
  • serum albumin
  • humor
  • blood
  • opsonin
  • humour
  • body fluid
  • liquid body substance
  • bodily fluid
  • serum globulin
  • milk whey
  • antiserum


  • ill humor


  • serum (Latin)

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Rhymes with Serum

  • theorem
  • byrum
  • byram

How do you pronounce serum?

Pronounce serum as ˈsɪrəm.

US - How to pronounce serum in American English

UK - How to pronounce serum in British English

Sentences with serum

1. Noun, singular or mass
Use this serum every night before bed and leave on overnight.

Quotes about serum

1. Books are like truth serum-- if you don't read, you can't figure out what's real.
- Rodman Philbrick, Freak the Mighty