(statistics) type I error

plural of alpha error

plural of alpha ray

plural of alpha female

Alternative form of alpha taxonomy

(astronomy) The brightest star in the southern constellation of Centaurus. It is actually a binary star with Proxima Centauri as a third component.

(organic chemistry) The first carbon atom of an aliphatic chain that is attached to a functional group

plural of alpha version

Synonym of amphetamine.

(UK, dated, photography) A sensitized photographic paper for obtaining positives by artificial light. It is coated with gelatin containing silver bromide and chloride.