tap / space
Classic usage
Pronunciation: /ɹeɪ/
Reading level: medium
Estimated CEFR level: B1 — Intermediate
Estimated from word frequency; not an official CEFR classification.
Via Middle English, borrowed from Old French rai, from Latin radius (“staff, stake, spoke”). Doublet of radius.
beam, beam of light, light beam, ray of light, shaft, shaft of light, irradiation
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tap / space
Classic usage
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