Also found in: Thesaurus, Medical, Acronyms, Encyclopedia, Wikipedia.
Related to anesthesia: general anesthesia


also an·aes·the·sia  (ăn′ĭs-thē′zhə)
1. Total or partial loss of sensation, especially tactile sensibility, induced by disease, injury, acupuncture, or an anesthetic, such as chloroform or nitrous oxide.
2. Local or general insensibility to pain with or without the loss of consciousness, induced by an anesthetic.
3. Medication that induces partial or total loss of sensation and may be topical, local, regional, or general, depending on the method of administration and area of the body affected.

[New Latin anaesthēsia, from Greek anaisthēsiā, insensibility : an-, without; see a-1 + aisthēsis, feeling (from aisthanesthai, aisthē-, to feel; see au- in Indo-European roots).]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.


(Medicine) the usual US spelling of anaesthesia
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


or an•aes•the•sia

(ˌæn əsˈθi ʒə)

1. general or localized insensibility, induced by drugs or other intervention and used in surgery or other painful procedures.
2. general loss of the senses of feeling, as pain, temperature, and touch.
[1715–25; < New Latin < Greek anaisthēsía want of feeling. See an-1, esthesia]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.


Loss of sensation to touch or pain, usually produced by nerve injury or by the administration of drugs, especially before surgery.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

anesthesia, anaesthesia, anesthesis, anaesthesis

the absence of physical sensation. — anesthesiologist, anaesthesiologist, anaesthetist, n.anesthetic, anaesthetic, n., adj.
See also: Health
-Ologies & -Isms. Copyright 2008 The Gale Group, Inc. All rights reserved.


Loss of sensation, including to pain, often induced before surgery. Includes general, local, spinal and epidural anesthaesia.
Dictionary of Unfamiliar Words by Diagram Group Copyright © 2008 by Diagram Visual Information Limited
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.anesthesia - loss of bodily sensation with or without loss of consciousnessanesthesia - loss of bodily sensation with or without loss of consciousness
cryoanaesthesia, cryoanesthesia - insensibility resulting from cold
general anaesthesia, general anesthesia - a state of total unconsciousness resulting from anesthetic drugs (as for a major surgical operation)
local anaesthesia, local anesthesia - loss of sensation in a small area of the body (as when a local anesthetic is injected for a tooth extraction)
block anaesthesia, block anesthesia, conduction anaesthesia, conduction anesthesia, nerve block anaesthesia, nerve block anesthesia - anesthesia of an area supplied by a nerve; produced by an anesthetic agent applied to the nerve
regional anaesthesia, regional anesthesia - loss of sensation in a region of the body produced by application of an anesthetic agent to all the nerves supplying that region (as when an epidural anesthetic is administered to the pelvic region during childbirth)
topical anaesthesia, topical anesthesia - loss of sensation confined to the skin or mucous surfaces (as when benzocaine or Lidocaine is applied to the surface)
physical condition, physiological condition, physiological state - the condition or state of the body or bodily functions
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.


n. anestesia;
endotracheal ______ endotraquial;
epidural ______ epidural;
general ______ general;
general ___ by inhalationgeneral por ___ inhalación;
general ___ by intubationgeneral por ___ intubación;
hypnosis ______ por hipnosis;
hypotensive ______ con hipotensión controlada;
intercostal ______ intercostal;
intravenous general ______ general intravenosa;
local ______ local;
regional ______ regional;
saddle block ______ en silla de montar;
spinal ______ raquídea;
topical ______ tópica;
thermal ______ térmica.
English-Spanish Medical Dictionary © Farlex 2012


n anestesia; epidural — anestesia epidural; general — anestesia general; local — anestesia local; regional — anestesia regional; spinal — anestesia raquídea
English-Spanish/Spanish-English Medical Dictionary Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.
References in periodicals archive ?
This critical care anesthesia care is safest and best when delivered by a team.
(TSX: CRH) (NYSE MKT: CRHM) has completed the acquisition of a 51% interest in Florida, US-based gastroenterology anesthesia practice Crystal River Anesthesia Associates, LLC, the company said.
There have been no convincing data available to determine anesthesia related morbidity and mortality in Pakistan.
Previous studies also implied that longer-than-average anesthesia times strongly influence the academic anesthesiology departments by increasing the staffing costs and decreasing hourly productivity.[8],[9] The ACT between propofol-based total intravenous anesthesia (TIVA) and desflurane (DES) anesthesia in different surgeries was investigated; nevertheless, the results are controversial.[4],[10],[11],[12],[13],[14],[15],[16],[17],[18]
In this disease, the patient usually has changed the voice, respiratory distress and also can have difficulty in swallowing and the total laryngectomy is the treatment which is always done under General Anesthesia but in ENT department did this unique surgery without general anaesthesia.
A prospective comparative study of Lichtenstein tension free hernioplasty under local anesthesia and spinal anesthesia.
Comparing the results of this study, it is concluded that the intravenous therapy of propofol caused a smooth quality of induction and recovery from anesthesia. Based on the measured parameters it also concludes that propofol is preferably recommended as safe therapy than thiopentone sodium for the surgical operations.
Anesthesia Care Associates, LLC is the company's first acquisition in the state of Indiana and provides anesthesia services to one GI ambulatory surgical centre.
Gomez' lifetime, he advocated for the equality of access to safe anesthesia across social strata and geographic distance, emphasizing the role of dedication, leadership and political will to achieve this goal.
Pharmacy Connect merges medication carts with Anesthesia Touch and claims to offer real-time medication reconciliation reminders and improved billing and reporting data.
In this 65-chapter manual, anesthesiologists and other specialists from the US provide information for anesthesia technicians and technologists on the profession of the anesthesia technician, certification, and daily practice in the operating room; the basic medical sciences underlying the care of patients undergoing anesthesia; the clinical science of anesthesia and the practice and principles of anesthetic care of patients; anesthesia equipment, emphasizing indications, setup, implementation, troubleshooting, and maintenance; special circumstances in the hospital, such as pediatric and obstetric anesthesia and the transportation of patients, with an emphasis on patient safety; the role of the anesthesia technician and technologist in emergency medicine; and workroom systems.
Relying on a standardized, evidence-based approach for administering anesthesia is especially useful for ensuring the patient's safe and predictable perioperative response and recovery.