Synset:R roentgen
Hypernyms:radioactivity unit
Inherited Hypernyms:roentgenradioactivity unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity
| 单词 | r |
| 释义 | R 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 roentgen Hypernyms:radioactivity unit Inherited Hypernyms:roentgenradioactivity unitelectromagnetic unitunit of measurementdefinite quantitymeasureabstractionentity nnoun.quantity(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole Topic:natural philosophyphysics Synset:R gas constant universal gas constant Hypernyms:constant Inherited Hypernyms:gas constantconstantnumberdefinite quantitymeasureabstractionentity nnoun.communicationthe 18th letter of the Roman alphabet Synset:R Member Holonyms:Latin alphabet Roman alphabet Hypernyms:alphabetic character letter letter of the alphabet Inherited Hypernyms:rlettercharacterwritten symbolsymbolsignalcommunicationabstractionentity nnoun.attributethe length of a line segment between the center and circumference of a circle or sphere Synset:radius Part Holonyms:diam diameter Hypernyms:length Inherited Hypernyms:radiuslengthdimensionmagnitudepropertyattributeabstractionentity Inherited Hypernyms:radiuslengthfundamental quantitymeasureabstractionentity Inherited Hypernyms:radiuslengthphysical propertypropertyattributeabstractionentity Direct Hyponyms:radius of curvaturesemidiameter Full Hyponyms: radius of curvaturesemidiameter |
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