tachyphylaxis
[ tak-uh-fi-lak-sis ]
/ ˌtæk ə fɪˈlæk sɪs /
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.
Also
tach·y·phy·lax·i·a
[tak-uh-fi-lak-see-uh] /ˌtæk ə fɪˈlæk si ə/.
Origin of tachyphylaxis
OTHER WORDS FROM tachyphylaxis
tach·y·phy·lac·tic [tak-uh-fi-lak-tik] /ˌtæk ə fɪˈlæk tɪk/, adjectiveWords nearby tachyphylaxis
tachylyte,
tachymeter,
tachymetry,
tachyon,
tachyphagia,
tachyphylaxis,
tachypnea,
tachypnoea,
tachyrhythmia,
tachysterol,
tachytelic
British Dictionary definitions for tachyphylaxis
tachyphylaxis
/ (ˌtækɪfɪˈlæksɪs) /
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
Medical definitions for tachyphylaxis
tachyphylaxis
[ tăk′ə-fĭ-lăk′sĭs ]
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.