Phrase guide

black body

noun · 3 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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1

noun

Meaning 1

Alternative form of blackbody.

Definition source: English Wiktionary via Wiktextract

Usage: alt-of, alternative

Topics: natural-sciences, physical-sciences, physics

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Used other than figuratively or idiomatically: see black, body.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

a hypothetical object capable of absorbing all the electromagnetic radiation falling on it

Definition source: Princeton WordNet 3.0

Examples

  • a black body maintained at a constant temperature is a full radiator at that temperature because the radiation reaching and leaving it must be in equilibrium

Meaning relationships

Synonyms: blackbody, full radiator

Antonyms: none provided

Broader terms: natural object

History

Etymology

No etymology was provided for this word.