plural of 1-D RCM

(slang) A nickname for Detroit.

(astronomy, physics) The first generally accepted and confirmed black hole. A black hole in a high-mass X-ray binary (HMXB) with a blue supergiant companion (HD 226868), located in the constellation Cygnus.

(in sport) the achievement by a country of taking the first three positions in a race of competition.

(pathology) A condition characterised by a high level of glucose in the blood caused by an insufficiency of insulin.

plural of 9-1-1

A rule of thumb for setting up a ladder safely by positioning the legs of the ladder one foot away from the base of the wall for every four feet of height.

(endocrinology) an active heptapeptide of the renin-angiotensin system (RAS) and a vasodilator agent that plays an important role in the cardiovascular system

(astronautics) A highly refined kerosene used as a rocket fuel.

(Canada) The office of the governor general of Canada.