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migraine

[mahy-greyn or, British, mee-]
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noun
  1. an extremely severe paroxysmal headache, usually confined to one side of the head and often associated with nausea; hemicrania.
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Origin of migraine

1325–75; Middle English < Middle French < Late Latin hēmicrānia hemicrania; cf. megrim
Related formsmi·grain·oid, adjectivemi·grain·ous, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for migraine

migraine

noun
  1. a throbbing headache usually affecting only one side of the head and commonly accompanied by nausea and visual disturbances
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Derived Formsmigrainous, adjective

Word Origin

C18: (earlier form, C14 mygrame megrim 1): from French, from Late Latin hēmicrānia pain in half of the head, from Greek hēmikrania, from hemi- + kranion cranium
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

Word Origin and History for migraine

n.

late 14c., megrim, from Old French migraigne (13c.), from vulgar pronunciation of Late Latin hemicrania "pain in one side of the head, headache," from Greek hemikrania, from hemi- "half" + kranion "skull" (see cranium). The Middle English form was re-spelled 1777 on the French model. Related: Migrainous.

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Online Etymology Dictionary, © 2010 Douglas Harper

migraine in Medicine

migraine

(mīgrān′)
n.
  1. A severe recurring headache, usually affecting only one side of the head, that is characterized by sharp pain and is often accompanied by nausea, vomiting, and visual disturbances.hemicrania megrim sick headache
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.

migraine in Science

migraine

[mīgrān′]
  1. A severe recurring headache, usually affecting only one side of the head, that is characterized by sharp, throbbing pain and is often accompanied by nausea, vomiting, sensitivity to light, and visual disturbances. Vasodilation in the brain causes inflammation that results in pain, but the exact cause of migraine is unknown.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.