Synset:lm
Hypernyms:luminous flux unit
Inherited Hypernyms:lumenluminous flux unitlight unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity
| 单词 | lumen |
| 释义 | Lumen nnoun.quantitya unit of luminous flux equal to the amount of light given out through a solid angle of 1 steradian by a point source of 1 candela intensity radiating uniformly in all directions Synset:lm Hypernyms:luminous flux unit Inherited Hypernyms:lumenluminous flux unitlight unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity nnoun.bodya cavity or passage in a tubular organ Examples:
Hypernyms:bodily cavity cavity cavum Inherited Hypernyms:lumencavitystructurebody partpartthingphysical entityentity |
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