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: T Tæ Tê T- T. Ta Tb Tc Td Te Th Ti Tj Tk Tl Tm Tn To Tp Tr Ts Tt Tu Tv Tw Tx Ty Tz

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OXFORD DICTIONARY

tophus

Noun

to=phus

WORDNET DICTIONARY

tophus(n = noun.substance) chalkstone - a deposit of urates around a joint or in the external ear; diagnostic of advanced or chronic gout; Array

is a kind of urate

tophus(n = noun.object) calculus, tartar - an incrustation that forms on the teeth and gums; Array

is a kind of crust, encrustation, incrustation

tophus, n. [NL.: cf. F. tophus a mineral concretion in the joint. See Toph.].

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. [1913 Webster]
Calcareous tufa. [1913 Webster]

tophus, n. (pl. tophi)
1 Med. a gouty deposit of crystalline uric acid and other substances at the surface of joints.
2 Geol. = TUFA.

Etymology

L, name of loose porous stones

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