(philosophy, linguistics) A sentence or other linguistic expression which, when expressed in an appropriate context, actually does or accomplishes something.

(organic chemistry) The simplest organic peracid H-CO-OOH that is used to cleave the disulfide links in peptides

(art) The arts involving performance, such as dance, theatre, music, etc.

singular of performing arts

An artist (musician, actor, painter, etc), who performs in a public place, usually for donated money.

plural of street performer

plural of performative utterance

A display of authoritarian force by a government, particularly when unnecessary, as a means to convince or coerce the media and the population into believing that the government has control in matters of law and order.

high-pressure liquid chromatography

clothing for athletes, designed to maximize their performance