Synset:R
Hypernyms:radioactivity unit
Inherited Hypernyms:roentgenradioactivity unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity
单词 | roentgen |
释义 | Roentgen nnoun.quantitya unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air Synset:R Hypernyms:radioactivity unit Inherited Hypernyms:roentgenradioactivity unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity nnoun.personGerman physicist who discovered x-rays and developed roentgenography (1845-1923) Synset:Roentgen Rontgen Wilhelm Konrad Roentgen Wilhelm Konrad Rontgen Instance Hypernyms:physicist Inherited Hypernyms:roentgenphysicistscientistpersoncausal agentphysical entityentity Inherited Hypernyms:roentgenphysicistscientistpersonorganismliving thingwholeobjectphysical entityentity |
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