[ too-ber-uh s, tyoo- ]
/ ˈtu bər əs, ˈtyu- /


characterized by the presence of rounded or wartlike prominences or tubers.
of the nature of such a prominence.
Botany. bearing tubers.
having the nature of or resembling a tuber.

Nearby words

  1. tuberculous wart,
  2. tuberculum,
  3. tuberculum arthriticum,
  4. tuberose,
  5. tuberosity,
  6. tuberous root,
  7. tuberous sclerosis,
  8. tubesnout,
  9. tubeworm,
  10. tubi-

Also tuberose.

Origin of tuberous

First recorded in 1640–50, tuberous is from the Latin word tūberōsus knobby. See tuber1, -ous

Related formssem·i·tu·ber·ous, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for tuberous

British Dictionary definitions for tuberous


tuberose (ˈtjuːbəˌrəʊs)

/ (ˈtjuːbərəs) /


(of plants or their parts) forming, bearing, or resembling a tuber or tubersa tuberous root
anatomy of, relating to, or having warty protuberances or tubers

Word Origin for tuberous

C17: from Latin tūberōsus full of knobs; see tuber

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

Medicine definitions for tuberous


[ tōōbər-əs ]


Producing or bearing tubers.
Being or resembling a knot; nodular; lumpy.

The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.