Dictionary Home »
Dictionary Definitions » tachyphylaxis
tachyphylaxis
(tăkˌə-fĭ-lăkˈsĭs)
noun pl. tach·y·phy·lax·es (-fĭ-lăkˈsēz)- Rapid desensitization to a toxic substance produced by inoculation with a series of small doses.
- A rapidly decreasing response to a drug following administration of the initial doses.
Learn more about tachyphylaxis