WordNet: calculus, concretion

a hard lump produced by the concretion of mineral salts; found in hollow organs or ducts of the body; "renal calculi can be very painful"

• hypernym rock, stone

• hyponym bladder stone, cystolith

• hyponym enterolith

• hyponym bilestone, gallstone

• hyponym kidney stone, nephrolith, renal calculus, urinary calculus

• hyponym ptyalith

• hyponym salivary calculus, sialolith

• hyponym urolith

calculus

• (englanti) calculous (derivationally related)
• (suomi) kivettymä (synonyymi)

concretion

• (suomi) kivettymä (synonyymi)