crepitus
C2CEFR level
88/100Rarity: very rare
TechnicalRegister
A grating, crackling or grinding sensation felt or heard when roughened articular surfaces or fractured bone ends move against each other.
Palpating the arthritic knee, she detected coarse crepitus as the patient slowly flexed the joint.
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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