luminosity
The state of being luminous, or a luminous objectThe state of being luminous, or a luminous object; brilliance or radiance
» Henrietta Swan Leavitt discovered the relation between the luminosity and the period of Cepheid variable stars.
Meaning
3 senses(uncountable)The state of being luminous, or a luminous object; brilliance or radiance
Helligkeit
свечениеsvečenije
(countable, uncountable)The ratio of luminous flux to radiant flux at the same wavelength; the luminosity factor
Leuchtkraft
(countable, uncountable)The rate at which a star radiates energy in all directions.
Leuchtkraft
свети́мостьsvetímostʹ
сві́тністьsvítnistʹ
- the quality of being luminous; emitting or reflecting light
Examples
1 sentencesHenrietta Swan Leavitt discovered the relation between the luminosity and the period of Cepheid variable stars.
Translations
8 languagesBy meaning 1
By meaning 2
By meaning 2
Origin
Borrowed from French luminosité or else a native formation from luminous + -ity.Borrowed from French luminosité or else a native formation from luminous + -ity.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: luminosities| Singular | luminosity |
|---|---|
| Plural | luminosities |
regular
Synonyms
5 synonyms- the quality of being luminous; emitting or reflecting light:brightnessbrightness levelluminanceluminousnesslight
Word family
8 related wordsLessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable