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tophus

[ toh-fuhs ]
/ ˈtoʊ fəs /
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noun, plural to·phi [toh-fahy]. /ˈtoʊ faɪ/. Pathology.
a calcareous concretion formed in the soft tissue about a joint, in the pinna of the ear, etc., especially in gout; a gouty deposit.
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Origin of tophus

1545–55; <Latin tōphus, tōfustufa

OTHER WORDS FROM tophus

to·pha·ceous [tuh-fey-shuhs], /təˈfeɪ ʃəs/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021

How to use tophus in a sentence

  • In the time of the kings of Rome the stones were squared, and were of tufa, lapis ruber, tophus.

    Rambles in Rome|S. Russell Forbes
  • This flux is composed of equal portions of iron slag, white tophus, and salt.

    De Re Metallica|Georgius Agricola

British Dictionary definitions for tophus

tophus
/ (ˈtəʊfəs) /

noun plural -phi (-faɪ)
pathol a deposit of sodium urate in the helix of the ear or surrounding a joint: a diagnostic of advanced or chronic goutAlso called: chalkstone

Derived forms of tophus

tophaceous (təʊˈfeɪʃəs), adjective

Word Origin for tophus

C16: from Latin, variant of tōfus tufa, tuff
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for tophus

tophus
[ tōfəs ]

n. pl. to•phi (-fī)
A deposit of urates in the skin and tissue around a joint or in the external ear.
Dental calculus; tartar.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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