(endocrinology) an enzyme attached to the membrane of cells in various organs and lowers blood pressure by catalyzing the hydrolysis of angiotensin II into angiotensin (1-7)

(virology) A subtype of HIV, not widely recognized outside of Africa, related to viruses found in the sooty mangabey.

Under the Whyte notation system, a steam locomotive that has two leading wheels, three sets of eight driving wheels, and four trailing wheels.

plural of 2-8-8-8-2

plural of 2-8-8-8-4

plural of 2-8-0+0-8-2

plural of 2-6-0+0-6-2

Abbreviation of twenty-four seven.

(CB slang) Location.

(idiomatic) A difficult situation from which there is no escape because it involves mutually conflicting or dependent conditions.