Phrase guide

blood serum

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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No pronunciation record was provided for this word.

1

noun

Meaning 1

The portion of whole blood that is not blood cells and not clotting factors; it can be separated as a clear yellowish liquid after the blood has been allowed to clot.

Definition source: English Wiktionary via Wiktextract

Usage: countable, uncountable

Topics: biology, medicine, natural-sciences, sciences

Examples

  • Holonyms: plasma, blood plasma < blood

Meaning relationships

Synonyms: serum

Antonyms: none provided

2

noun

Meaning 2

an amber, watery fluid, rich in proteins, that separates out when blood coagulates

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: serum

Antonyms: none provided

Broader terms: liquid body substance, bodily fluid, body fluid, humor, humour

Narrower terms: antiserum, whey, milk whey

History

Etymology

No etymology was provided for this word.