Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun tophus

2 senses of tophus

Sense 1
tophus, chalkstone -- (a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout)
       => urate -- (a salt of uric acid)

Sense 2
tartar, calculus, tophus -- (an incrustation that forms on the teeth and gums)
       => crust, incrustation, encrustation -- (a hard outer layer that covers something)