exaggerated allergic reaction to a foreign protein resulting from previous exposure to it.
Click for a side-by-side comparison of meanings. Use the word comparison feature to learn the differences between similar and commonly confused words.
- an·a·phy·lac·tic [an-uh-fuh-lak-tik], /ˌæn ə fəˈlæk tɪk/, adjective
- an·a·phy·lac·ti·cal·ly, adverb
- an·ti·an·a·phy·lac·tic, adjective, noun
- pseu·do·an·a·phy·lac·tic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use anaphylaxis in a sentence
During randomized trials, no volunteers had severe allergic reactions, although people with a history of anaphylaxis were excluded from the trials.Allergic reactions to the coronavirus vaccine are rare and outweighed by the benefit of protection, CDC finds | William Wan, Joel Achenbach | January 6, 2021 | Washington Post
Seven of the people in the report had experienced anaphylaxis in the past.Severe allergic reactions to COVID-19 vaccines are extremely rare, CDC says | Aimee Cunningham | January 6, 2021 | Science News
Polyethylene glycol has been previously linked to a handful of anaphylaxis cases.Everything to know about allergic reactions to COVID vaccines | Karen Yuan | December 31, 2020 | Fortune
During the meeting, he and other Moderna executives explained that they saw no cases of anaphylaxis in their 30,000-person coronavirus vaccine trials.FDA vows to move 'rapidly’ to authorize second coronavirus vaccine | Laurie McGinley, Carolyn Y. Johnson | December 18, 2020 | Washington Post
Two cases of anaphylaxis occurred last week in the United Kingdom, involving health-care workers with a history of severe allergic reactions.FDA investigating rare allergic reactions to Pfizer coronavirus vaccine, but says rollout will continue | Carolyn Y. Johnson, Joel Achenbach | December 18, 2020 | Washington Post
Recent workers with pollens come near the truth in describing hay fever as an anaphylaxis.
The inherited form of hay fever is explained by the well-known transmission of anaphylaxis to the offspring.
The anaphylaxis theory halts a little at this point and is not exactly clear about the mechanism of that first poisoning.
He is in a state of exquisite anaphylaxis and a dose of pollen injected into his blood may kill him in twenty minutes.
What if gout should prove to be a sensitization or anaphylaxis to uric acid that does not exist in the non-gouty?
British Dictionary definitions for anaphylaxis
extreme sensitivity to an injected antigen, esp a protein, following a previous injection
- anaphylactic or anaphylactoid, adjective
- anaphylactically, adverb
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
Scientific definitions for anaphylaxis
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.