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Webster 1913 Edition


Serum

Se′rum

(sē′rŭm)
,
Noun.
[L., akin to Gr. [GREEK][GREEK][GREEK], Skr.
sāra
curd.]
(Physiol.)
(a)
The watery portion of certain animal fluids, as blood, milk, etc.
(b)
A thin watery fluid, containing more or less albumin, secreted by the serous membranes of the body, such as the pericardium and peritoneum.
Blood serum
,
the pale yellowish fluid which exudes from the clot formed in the coagulation of the blood; the liquid portion of the blood, after removal of the blood corpuscles and the fibrin.
Muscle serum
,
the thin watery fluid which separates from the muscles after coagulation of the muscle plasma; the watery portion of the plasma. See
Muscle plasma
, under
Plasma
.
Serum albumin
(Physiol. Chem.)
,
an albuminous body, closely related to egg albumin, present in nearly all serous fluids; esp., the albumin of blood serum.
Serum globulin
(Physiol. Chem.)
,
paraglobulin.
Serum of milk
(Physiol. Chem.)
,
the whey, or fluid portion of milk, remaining after removal of the casein and fat.

Webster 1828 Edition


Serum

SE'RUM

,
Noun.
[L.]
1. The thin transparent part of the blood.
2. The thin part of milk; whey.

Definition 2022


Serum

Serum

See also: serum and sérum

German

Noun

Serum n (genitive Serums, plural Seren or Sera)

  1. serum

Latin

Noun

Sērum

  1. genitive plural of Sērēs

serum

serum

See also: Serum and sérum

English

Noun

serum (plural serums or sera)

  1. The clear yellowish liquid obtained upon separating whole blood into its solid and liquid components after it has been allowed to clot. Also called blood serum.
  2. Blood serum from the tissues of immunized animals, containing antibodies and used to transfer immunity to another individual, called antiserum.
  3. A watery liquid from animal tissue, especially one that moistens the surface of serous membranes or that is exuded by such membranes when they become inflamed, such as in edema or a blister.
  4. The watery portion of certain animal fluids, as blood, milk, etc; whey.
  5. (skincare) An intensive moisturising product to be applied after cleansing but before a general moisturiser.

Derived terms

Related terms

Translations

Anagrams


Latin

Etymology 1

From Proto-Indo-European *ser- (to flow, run); see also Sanskrit सर (sara, flowing), सरित् (sarit, river, brook) and Ancient Greek ὁρός (horós, whey).

Pronunciation

Noun

serum n (genitive serī); second declension

  1. whey
Inflection

Second declension.

Case Singular Plural
nominative serum sera
genitive serī serōrum
dative serō serīs
accusative serum sera
ablative serō serīs
vocative serum sera
Descendants

Etymology 2

Adjective

sērum

  1. nominative neuter singular of sērus

References


Serbo-Croatian

Etymology

Borrowed from Latin serum (whey).

Pronunciation

  • IPA(key): /sěːrum/
  • Hyphenation: se‧rum

Noun

sérum m (Cyrillic spelling се́рум)

  1. serum

Declension


Spanish

Noun

serum m (plural serums)

  1. serum