histaminase

American

[hi-stam-uh-neys, -neyz] / hɪˈstæm əˌneɪs, -ˌneɪz /

noun

Biochemistry, Pharmacology.

an enzyme that catalyzes the decomposition of histamine, used in treating allergies.

histaminase British

/ hɪˈstæmɪˌneɪs /

noun

Also called: diamine oxidase. an enzyme, occurring in the digestive system, that inactivates histamine by removal of its amino group

"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

Etymology

Origin of histaminase

First recorded in 1925–30; histamine + -ase

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023