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[too-buh-ros-i-tee, tyoo-] /ˌtu bəˈrɒs ɪ ti, ˈtyu-/
noun, plural tuberosities.
a rough projection or protuberance of a bone, as for the attachment of a muscle.
Origin of tuberosity
From the Medieval Latin word tūberōsitās, dating back to 1535-45. See tuberose2, -ity Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for tuberosity
Historical Examples
  • When the nodosity begins to decay and becomes of a cancerous nature, it is called a tuberosity.

  • The posterior and external angle of the ischium is rough and prominent; it is the tuberosity of the ischium.

  • We further note a muscle of the same kind, and presenting the same aspect, which comes from the tuberosity of the ischium.

  • The superior is formed by the gluteal muscles; the inferior corresponds to the tuberosity of the ischium.

  • It arises above from the inferior surface of the ischium, and from the tuberosity of the same bone.

  • The anterior length of the hind-limb, taken from the tuberosity of the tibia to the fold of the ham.

  • The width of the hind-leg, viewed laterally, from the cleft of the buttocks to the inferior part of the tuberosity of the tibia.

  • Eight days after the injury an abscess was opened near the tuberosity of the ischium, and the ball was removed from that spot.

  • Nor is the malar bone a guide, for this might easily be mistaken for the tuberosity of the ischium, or even for the shoulder.

    A System of Midwifery

    Edward Rigby
  • You can get anything you want in that "tuberosity of civilized life" if you have the wherewithal, or, in other words, "the price."

    Wanted: A Cook Alan Dale
British Dictionary definitions for tuberosity


noun (pl) -ties
any protuberance on a bone, esp for the attachment of a muscle or ligament
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
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tuberosity in Medicine

tuberosity tu·ber·os·i·ty (tōō'bə-rŏs'ĭ-tē, tyōō'-)

  1. The quality or condition of being tuberous.

  2. A projection or protuberance, especially one at the end of a bone for the attachment of a muscle or tendon.

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