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[sahy-at-i-kuh] /saɪˈæt ɪ kə/
noun, Pathology
pain and tenderness at some points of the sciatic nerve, usually caused by a prolapsed intervertebral disk; sciatic neuralgia.
any painful disorder extending from the hip down the back of the thigh and surrounding area.
1400-50; < Medieval Latin, noun use of feminine of sciaticus sciatic Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for sciatica
  • At the link are a number of poses which relieve sciatica, but some are contraindicated with certain back injuries.
  • People with degenerative disc disease, herniations and sciatica.
  • And had swollen ankles, trouble breathing and sciatica.
  • Advice to rest in bed versus advice to stay active for acute low-back pain and sciatica.
  • Some recurrence of back pain and sciatica occurs in half to two-thirds of postoperative patients.
  • He has been suffering for ten years past from chronic nephritis, a condition which became complicated with diabetes and sciatica.
  • sciatica is created by joint misalignment, muscle spasm and inflammation.
British Dictionary definitions for sciatica


a form of neuralgia characterized by intense pain and tenderness along the course of the body's longest nerve (sciatic nerve), extending from the back of the thigh down to the calf of the leg
Word Origin
C15: from Late Latin sciatica; see sciatic
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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Word Origin and History for sciatica

late 14c., from Medieval Latin sciatica, in sciatica passio "sciatic disease," fem. of sciaticus "sciatic," corruption of Latin ischiadicus "of pain in the hip," from Greek iskhiadikos, from iskhias (genitive iskhiados) "pain in the hips," from iskhion "hip joint."

Online Etymology Dictionary, © 2010 Douglas Harper
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sciatica in Medicine

sciatica sci·at·i·ca (sī-āt'ĭ-kə)
Pain along the sciatic nerve that radiates from the lower back to the buttocks and back of the thigh and is usually caused by a herniated disk of the lumbar region of the spine.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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sciatica in Culture
sciatica [(seye-at-i-kuh)]

Chronic pain in the hip and upper leg caused by irritation of a large nerve — the sciatic nerve — that runs through the pelvis and down the back of the thigh.

The American Heritage® New Dictionary of Cultural Literacy, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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