R
noun
Key Types & categories Parts & wholes Related & opposite
- Word type
- noun
- verb
- adjective
- adverb
- Line style
- core relation
- instance, member or derived
- substance, domain or see-also
- Direction
- arrow points to the broader concept
- dashed outline: no word in this language
- Click any word to expand it.
Senses
Sense 1 noun
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
Types & categories
- radioactivity unit hypernym
Sense 2 noun
(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
Types & categories
- constant hypernym
Related & opposite
- physics domain topic
Sense 3 noun
the 18th letter of the Roman alphabet
Types & categories
- letter of the alphabet hypernym
Parts & wholes
- Roman alphabet member holonym
Table view of this graph
| Sense | Relation | Group | Word |
|---|---|---|---|
| 1 | hypernym | Types & categories | radioactivity unit |
| 2 | domain topic | Related & opposite | physics |
| 2 | hypernym | Types & categories | constant |
| 3 | member holonym | Parts & wholes | Roman alphabet |
| 3 | hypernym | Types & categories | letter of the alphabet |