The mean absolute deviation. / A commonly accepted standard or value.

A London-based form of English that became widespread after the Middle English period, aided by the introduction of the printing press.

plural of standard drink

A hypothetical beverage containing a fixed amount of pure alcohol (varying by jurisdiction), used to gauge alcohol consumption.

(astronomy) Synonym of reference star

(television) A system that uses a resolution that is not considered to be either high-definition television (720p, 1080i, 1080p, 1440p, 4K UHDTV, and 8K UHD) or enhanced-definition television (EDTV 480p).

(obsolete) Alternative form of box standard.

Alternative form of box standard.

Alternative form of box standard.

(obsolete) A hollow tube frame used for a machine.