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a theoretical body, approximated by a hole in a hollow black sphere, that absorbs all incident electromagnetic radiation and reflects none; it has a characteristic emission spectrum
Definition source: English Wiktionary via Wiktextract
Topics: natural-sciences, physical-sciences, physics
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
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: black body, full radiator
Antonyms: none provided
Broader terms: natural object
No etymology was provided for this word.
Across languages
Translations
13 source translations are retained for this English entry.
-
Chinese Mandarin:
黑體 /黑体
(hēitǐ)
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Finnish:
musta kappale
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
French:
corps noir
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
German:
schwarzer Körper
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Greek:
μέλαν σώμα
(mélan sóma)
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Hindi:
कृष्णिका
(kŕṣṇikā)
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Japanese:
黒体
(kokutai)
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Korean:
흑체
(heukche)
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Polish:
ciało doskonale czarne
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Russian:
чёрное те́ло
(čórnoje télo)
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Spanish:
cuerpo negro
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Swedish:
svartkropp
— an idealized object that absorbs all electromagnetic radiation that falls on it
-
Thai:
วัตถุดํา
(wát-tù-dam)
— an idealized object that absorbs all electromagnetic radiation that falls on it
