- 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, tōfus tufa
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
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
- Of or characteristic of a tophus.
- Sandy; gritty.
- 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.