n. A deposit of monosodium urate crystals in the body, caused by high levels of uric acid in the blood.
the GNU version of the Collaborative International Dictionary of English
n. One of the mineral concretions about the joints, and in other situations, occurring chiefly in gouty persons. They consist usually of urate of sodium; when occurring in the internal organs they are also composed of phosphate of calcium.
n. Calcareous tufa.
The Century Dictionary and Cyclopedia
n. Calc tufa.
n. A concretion of calcareous matter which forms on the cartilaginous surface of the joints, and on the pinna of the ear, in gout; a gouty deposit.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout
n. an incrustation that forms on the teeth and gums
Word Usage
"4 Diab, Lexicon of orthopaedic etymology (1999), p.353 (see link): "NB: the spelling tophus perhaps was introduced into Latin as the more learned form, as though it were of Greek origin.""