| 单词 | luminosity |
| 释义 | Word Frequency luminosity(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 |
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