from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. Reduction of anxiety, stress, irritability, or excitement by administration of a sedative agent or drug.
  • n. The state or condition induced by a sedative.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. The act of sedating, especially by use of sedatives.

from the GNU version of the Collaborative International Dictionary of English

  • n. The act of calming, or the state of being calm.

from The Century Dictionary and Cyclopedia

  • n. The act of calming.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. the administration of a sedative agent or drug
  • n. a state of reduced excitement or anxiety that is induced by the administrative of a sedative agent


from The American Heritage® Dictionary of the English Language, 4th Edition

Middle English sedacioun, from Old French sedation, from Latin sēdātiō, sēdātiōn-, from sēdātus, past participle of sēdāre, to calm; see sedate1.


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  • A Registered Nurse who specializes in sedation will give your child the sedation medication (s) and monitor your child's heart rate, breathing, blood pressure, and oxygen level during the test/procedure.

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  • And what were still have under has been filed and had to be approved is long term sedation indication we expect to hopefully be approved early at first quarter sometime in 2009. Home Page

  • We are hopeful that we will receive approval for the long term sedation indication in the first half of 2009, which would further expand the marketplace opportunity. Home Page

  • During the quarter we completed trials for the long term sedation label expansion for the Japanese market and plan to submit the application in early 2009. Home Page

  • He says sedation is especially pleasant for him as it’s been something he’s been looking forward to for years.

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  • Flumazenil must be used with caution in patients who have been on benzodiazepines for long-term sedation, anticonvulsant therapy, or in overdose cases where cyclic antidepressants or other seizurogenic drugs were ingested.


  • You've just made the idea of sedation very terrifying for me.

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