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.

(UK colloquial, used especially in automotive, motorcycling, engineering and technical contexts) Synonym of standard, especially with connotations of plainness and lack of modification.

(rare) An upholder of double standards

plural of standard gravity