tachyphylaxis
[ tak-uh-fi-lak-sis ]
/ ˌtæk ə fɪË?læk sɪs /
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noun
Medicine/Medical. immediate, temporary immunization against the effects of injection of a toxic extract owing to previous small injections of the same extract.
a decreased response to a medicine given over a period of time so that larger doses are required to produce the same response.
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Also tach·y·phy·lax·i·a [tak-uh-fi-lak-see-uh]. /ËŒtæk É™ fɪË?læk si É™/.
Origin of tachyphylaxis
OTHER WORDS FROM tachyphylaxis
tach·y·phy·lac·tic [tak-uh-fi-lak-tik], /ËŒtæk É™ fɪË?læk tɪk/, adjectiveWords nearby tachyphylaxis
tachylyte, tachymeter, tachymetry, tachyon, tachyphagia, tachyphylaxis, tachypnea, tachypnoea, tachyrhythmia, tachysterol, tachytelic
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
British Dictionary definitions for tachyphylaxis
tachyphylaxis
/ (ËŒtækɪfɪË?læksɪs) /
noun
very rapid development of tolerance or immunity to the effects of a drug
Word Origin for tachyphylaxis
New Latin, from tachy- + phylaxis on the model of prophylaxis. See prophylactic
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
Medical definitions for tachyphylaxis
tachyphylaxis
[ tÄ?k′ə-fÄ-lÄ?k′sÄs ]
n.
Rapid desensitization to a pharmacologically or physiologically active substance, produced by inoculation with a series of small doses.
A rapidly decreasing response to a drug following its initial administration.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.