Hypernyms:radioactivity unit
Inherited Hypernyms:radradioactivity unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity
| 单词 | rad |
| 释义 | Rad nnoun.quantitya unit of absorbed ionizing radiation equal to 100 ergs per gram of irradiated material Hypernyms:radioactivity unit Inherited Hypernyms:radradioactivity unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity nnoun.quantitythe unit of plane angle adopted under the Systeme International d'Unites; equal to the angle at the center of a circle subtended by an arc equal in length to the radius (approximately 57.295 degrees) Synset:radian Hypernyms:angular unit Inherited Hypernyms:radianangular unitunit of measurementdefinite quantitymeasureabstractionentity Part Meronyms:milliradian |
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