1

serum

play
noun se·rum \ˈsir-əm\

Definition of serum

plural

sera

play \ˈsir-ə\ or

serums

  1. 1 :  the watery portion of an animal fluid remaining after coagulation:a (1) :  blood serum (2) :  antiserumb :  wheyc :  a normal or pathological serous fluid (as in a blister)

  2. 2 :  the watery part of a plant fluid

  3. 3 :  a usually lightweight cosmetic preparation especially for use on the face; specifically :  a typically water-based, often concentrated preparation that lacks lubricating and thickening agents an antiaging facial serum

Examples of serum in a Sentence

  1. The patient was administered serum.

Origin and Etymology of serum

Latin, whey, wheylike fluid; akin to Greek oros whey


First Known Use: 1665


2

serum

adjective se·rum

Definition of serum

  1. :  occurring or found in the blood serum serum cholesterol serum antibodies

1876

First Known Use of serum

1876


SERUM Defined for English Language Learners

1

serum

play
noun se·rum \ˈsir-əm\

Definition of serum for English Language Learners

  • medical : the part of blood that is like water and that contains substances (called antibodies) that fight disease

  • medical : serum from an animal's blood that can be added to a person's blood to prevent or cure disease

  • biology : the watery part of a fluid found in a plant


SERUM Defined for Kids

serum

play
noun se·rum \ˈsir-əm\

Definition of serum for Students

  1. :  the clear liquid part that can be separated from coagulated blood and contains antibodies


Medical Dictionary

1

serum

play
noun se·rum \ˈsir-əm\

Medical Definition of serum

plural

sera

\-ə\play or

serums

  1. :  the watery portion of an animal fluid remaining after coagulation:a (1):  the clear yellowish fluid that remains from blood plasma after fibrinogen, prothrombin, and other clotting factors have been removed by clot formation—called also blood serum (2):  antiserumb:  a normal or pathological serous fluid (as in a blister)


2

serum

adjective se·rum

Medical Definition of serum

  1. :  occurring or found in the serum of the blood serum cholesterol serum glutamic-oxaloacetic transminase



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