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tophus

[toh-fuh s]
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noun, plural to·phi [toh-fahy] /ˈtoʊ faɪ/. Pathology.
  1. 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, tōfus tufa
Related formsto·pha·ceous [tuh-fey-shuh s] /təˈfeɪ ʃəs/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for tophus

Historical Examples

  • 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


British Dictionary definitions for tophus

tophus

noun plural -phi (-faɪ)
  1. 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
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Derived Formstophaceous (təʊˈfeɪʃəs), adjective

Word Origin

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

tophus in Medicine

tophus

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