r
r
📊 A1-C2
📖 Definition
a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
💬 Example Sentence
"I know the word 'r'."
🔗 Collocations
stage rr d
✅ Synonyms
roentgenR
❌ Antonyms
Try our Smart Word Explorer for more antonyms!
📘 Grammar Note
—