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单词 luminosity
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luminosity

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luminosity

(luːmɪnɒsɪti)
1. uncountable noun
The luminosity of a star or sun is how bright it is.
[technical]
...the present-day luminosity of the Sun.
2. uncountable noun
You can talk about the luminosity of someone's skin when it has a healthy glow.
Rosy powder gives the skin warmth and luminosity.

luminosity in British English

(ˌluːmɪˈnɒsɪtɪ)
nounWord forms: plural -ties
1. 
the condition of being luminous
2. 
something that is luminous
3.  astronomy
a measure of the radiant power emitted by a star
4.  physics
the attribute of an object or colour enabling the extent to which an object emits light to be observed
Former name: brightness. See also colour

luminosity in American English

(ˌluməˈnɑsəti)
noun
1. 
the quality or condition of being luminous
2. Word forms: plural ˌlumiˈnosities
something luminous
3. 
brightness
Word origin
ML luminositas

Examples of 'luminosity' in a sentence
luminosity

The light, as it filtered through endless creepers and blossoms, lost still more luminosity, until finally it became hopelessly diffused.
Jenkins, Geoffrey A DAYSTAR OF FEAR (2002)
There was an appreciable lightening of the darkness and a faint luminosity drifted around them.
Jack Higgins THE KEYS OF HELL (2002)
It was a warm, soft night with a luminosity shining from the water.
Jack Higgins THE KEYS OF HELL (2002)
They had a brightness to them, a luminosity that was intensified by the ceiling lamp.
Leeson, Robert GENIE ON THE LOOSE (2002)
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更新时间：2024/11/11 11:22:08