a small rounded projection or excrescence, as on a bone or on the surface of the body.
- a small, firm, rounded nodule or swelling.
- such a swelling as the characteristic lesion of tuberculosis.
Botany. a tuberlike swelling or nodule.
Origin of tubercle
From the Latin
dating back to 1570–80.
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for tubercle
Historical Examples of tubercle
British Dictionary definitions for tubercle
any small rounded nodule or elevation, esp on the skin, on a bone, or on a plant
any small rounded pathological lesion of the tissues, esp one characteristic of tuberculosis
Word Origin for tubercle
C16: from Latin tūberculum a little swelling, diminutive of tuber
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Word Origin and History for tubercle
1570s, from Latin tuberculum "a small swelling," diminutive of tuber "lump" (see tuber).
Online Etymology Dictionary, © 2010 Douglas Harper
An anatomical nodule.tuberculum
A small elevation on the surface of a tooth.
A nodule or swelling, especially a mass of lymphocytes and epithelioid cells forming the characteristic granulomatous lesion of tuberculosis.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
A small rounded projection, swelling, or lump, as on the roots of legumes or on bodily tissue, especially the cluster of inflammatory cells that form in the lungs in tuberculosis.
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.