ˌ ̷ ̷ ̷ ̷ˈtāshən noun
( -s )
Etymology: Late Latin crepitation-, crepitatio, from Latin crepitatus + -ion-, -io -ion
1. : the act or an instance of crepitating : a crackling noise : crackling
2. medicine : a grating or crackling sound or sensation (as that produced by the fractured ends of a bone moving against each other or as that in tissues affected with gas gangrene)
crepitation in the arthritic knee
: crepitant rale