[ toh-fuhs ]

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.

Origin of tophus

1545–55; <Latin tōphus, tōfustufa

Other words from tophus

  • to·pha·ceous [tuh-fey-shuhs], /təˈfeɪ ʃəs/, adjective

Words Nearby tophus Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

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


/ (ˈtəʊfəs) /

nounplural -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 gout: Also called: chalkstone

Origin of tophus

C16: from Latin, variant of tōfus tufa, tuff

Derived forms of tophus

  • tophaceous (təʊˈfeɪʃəs), adjective

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