radiate
B1CEFR level
25/100Rarity: fairly common
TechnicalRegister
Of pain, to spread out from its original site to another part of the body.
Does the pain stay in one place, or does it radiate anywhere — down your arm or into your jaw, perhaps?
Rarity runs from 0 (a word everyone knows) to 100 (almost never seen outside specialist or literary writing). Level is the word's real difficulty on the CEFR scale, from A1 to C2.
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