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delirium

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de⋅lir⋅i⋅um

  [di-leer-ee-uhm]
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–noun, plural -lir⋅i⋅ums, -lir⋅i⋅a  [-leer-ee-uh] .
1. Pathology. a more or less temporary disorder of the mental faculties, as in fevers, disturbances of consciousness, or intoxication, characterized by restlessness, excitement, delusions, hallucinations, etc.
2. a state of violent excitement or emotion.
Origin:
1590–1600; < L dēlīrium frenzy, equiv. to dēlīr(āre) (see deliration ) + -ium -ium
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Delirium
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de·lir·i·um   (dĭ-lîr'ē-əm)   
n.   pl. de·lir·i·ums or de·lir·i·a (-ē-ə)

  1. A temporary state of mental confusion and fluctuating consciousness resulting from high fever, intoxication, shock, or other causes. It is characterized by anxiety, disorientation, hallucinations, delusions, and incoherent speech.

  2. A state of uncontrolled excitement or emotion: sports fans in delirium after their team's victory.


[Latin dēlīrium, from dēlīrāre, to be deranged : dē-, de- + līra, furrow; see leis-1 in Indo-European roots.]
de·lir'i·ant adj.
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Word Origin & History

delirium 
1599, from L. delirium "madness," from deliriare "be crazy, rave," lit. "go off the furrow," a plowing metaphor, from phrase de lire (de "off, away" + lira "furrow"). Delirium tremens is Mod.L., "trembling delirium," introduced 1813 by British physician Thomas Sutton, for "that form of delirium which is rendered worse by bleeding, but improved by opium. By Rayer and subsequent writers it has been almost exclusively applied to delirium resulting from the abuse of alcohol" [Sydenham Society Lexicon of Medicine].
Online Etymology Dictionary, © 2001 Douglas Harper
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Medical Dictionary

Main Entry: de·lir·i·um
Pronunciation: di-'lir-E-&m
Function: noun
: a mental disturbance characterized by confusion, disorderedspeech, and hallucinations
Merriam-Webster's Medical Dictionary, © 2002 Merriam-Webster, Inc.
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Medical Dictionary

delirium de·lir·i·um (dĭ-lēr'ē-əm)
n. de·lir·i·ums or de·lir·i·a (-ē-ə)
A temporary state of mental confusion resulting from high fever, intoxication, shock, or other causes, and characterized by anxiety, disorientation, memory impairment, hallucinations, trembling, and incoherent speech.

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

Delirium
An embedding coordinate language for parallel programming, implemented on Sequent Symmetry, Cray, BBN Butterfly.
["Parallel Programming with Coordination Structures", S. Lucco et al, 18th POPL, pp.197-208 (1991)].

The Free On-line Dictionary of Computing, © 1993-2007 Denis Howe
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