Celerity, or celeritas (Latin), may refer to: Speed, quickness Look up celerity or celeritas in Wiktionary, the free dictionary. Science and technology Speed of light, celeritas Celerity Computing Inc., defunct San Diego, California vendor Celerity IT, a Virginia-based web development consulting group Phase velocity, speed of propagation of a wave Proper velocity, an alternative way of measuring motion in relativity Transport USS Celeritas (SP-665), a United States Navy patrol vessel Mirage Celerity, an American two-seat cabin monoplane Celerity (carriage) Sport FC Celeritas Straßburg Feyenoord, a Dutch football club in Rotterdam, known as Celeritas 1909–1912 Celeritas, a Dutch football club in Kampen, active in 1893; see Jasper Warner § Local sports Celeritas, a Dutch football club in Rotterdam, active in 1901; see Belgium vs Netherlands Cups § History See also All pages with titles beginning with Celerity All pages with titles containing Celerity Celery Celebrity Celer (disambiguation) This disambiguation page lists articles associated with the title Celerity.If an internal link led you here, you may wish to change the link to point directly to the intended article. Wikiwand - on Seamless Wikipedia browsing. On steroids.