anesthesia

noun

an·​es·​the·​sia ˌa-nəs-ˈthē-zhə How to pronounce anesthesia (audio)
1
: loss of sensation with or without loss of consciousness
The patient was given intravenous medication to induce anesthesia.
… doctors freeze the tumor with little coils filled with liquid nitrogen that are inserted in the prostate under anesthesia.Andy Grove
Awareness during anesthesia is a serious complication with potential long-term psychological consequences.Michael S. Avidan et al.
We often radiograph dogs when they are under anesthesia for spaying or neutering or other routine procedures.Bonnie Wilcox
see also general anesthesia, local anesthesia
2
: an agent that produces anesthesia : anesthetic
A capnometer measures the amount of carbon dioxide in exhaled air, thereby insuring that the tubes bringing oxygen and anesthesia to the patient are properly placed.Lisa Belkin
She was still groggy from her anesthesia, and she had an I.V. tube in her arm.The New Yorker
These substances [=endorphins], which have been identified in recent years through research on brain chemistry, act as a natural anesthesia that can lessen extreme pain.Norman Cousins

Examples of anesthesia in a Sentence

The patient was given an injection to induce anesthesia.
Recent Examples on the Web The facilities and equipment seen by The Times included an anesthesia machine, an ultrasound monitor, X-ray equipment, a device for analyzing blood samples, a small operating theater and a storeroom containing hundreds of medicines. Bilal Shbair, New York Times, 6 June 2024 The work begins with Recruitment USAP has invested in the anesthesia profession from the beginning of a clinician’s professional pipeline throughout their careers. Tracy Yochum, Miami Herald, 5 June 2024 If monitored anesthesia sedation and local anesthesia are used, anesthetic medication will be used to induce drowsiness. Troy Bedinghaus, Od, Verywell Health, 1 June 2024 This meant patients would have had to pay out of pocket to cover the anesthesia needed for colorectal cancer screenings, potentially creating major cost barriers. Discover Magazine, 31 May 2024 See all Example Sentences for anesthesia 

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'anesthesia.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History

Etymology

New Latin, from Greek anaisthēsia insensibility, from a- + aisthēsis perception, from aisthanesthai to perceive — more at audible

First Known Use

1708, in the meaning defined at sense 1

Time Traveler
The first known use of anesthesia was in 1708

Dictionary Entries Near anesthesia

Cite this Entry

“Anesthesia.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/anesthesia. Accessed 20 Jun. 2024.

Kids Definition

anesthesia

noun
an·​es·​the·​sia ˌan-əs-ˈthē-zhə How to pronounce anesthesia (audio)
: loss of bodily sensation with or without loss of consciousness

Medical Definition

anesthesia

noun
an·​es·​the·​sia
variants or chiefly British anaesthesia
1
: loss of sensation with or without loss of consciousness that is artificially produced by the administration of one or more agents that block the passage of pain impulses along nerve pathways to the brain
… doctors freeze the tumor with little coils filled with liquid nitrogen that are inserted in the prostate under anesthesia.Andy Grove
Awareness during anesthesia is a serious complication with potential long-term psychological consequences.Michael S. Avidan et al.
see general anesthesia, local anesthesia
2
: loss of sensation especially to touch usually resulting from injury or disease
3
: an agent that produces anesthesia : anesthetic
During surgery, you will be given some form of anesthesia, which are medicines given to relieve pain and sensation during surgery.HopkinsMedicine.org
A capnometer measures the amount of carbon dioxide in exhaled air, thereby insuring that the tubes bringing oxygen and anesthesia to the patient are properly placed.Lisa Belkin

More from Merriam-Webster on anesthesia

Last Updated: - Updated example sentences
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!