CRT, crt, or Crt commonly refers to:
Cathode ray tube, a vacuum tube that can show moving pictures, vector graphics, or lines Critical race theory, a conceptual framework regarding society, race, and culture
CRT, crt, or Crt may also refer to:
Law Charitable remainder trust, United States Civil Resolution Tribunal, Canada Columbia River Treaty, Canada–United States, 1960s
Science, technology, and mathematics Medicine and biology Calreticulin, a protein Capillary refill time, for blood to refill capillaries Cardiac resynchronization therapy (CRT), and CRT defibrillator (CRT-D) Catheter-related thrombosis, the development of a blood clot related to long-term use of central venous catheters Certified Respiratory Therapist Chemoradiotherapy, chemo- and radiotherapy combined Cognitive Retention Therapy, for dementia Corneal Refractive Therapy, in optometrics CRT (genetics), a gene cluster
Social sciences Cognitive reflection test, in psychology Current reality tree (theory of constraints), in process management Culturally relevant teaching, in pedagogy
Technology Microsoft C Run-Time library SecureCRT, formerly CRT, a telnet client .crt, X.509 Certificate filename extension
Other uses in science and mathematics Chinese remainder theorem, in number theory Crater (constellation), in astronomy
Transport Canal & River Trust, England and Wales Changchun Rail Transit, China Chongqing Rail Transit, China Connecticut River Transit, a defunct American bus service Cross River Tram, a defunct proposal in London, England CRT Group, an Australian transport company Chicago Rapid Transit Company, a defunct American rail company Colchester Rapid Transit, a rapid-transit system in Colchester, England
Other uses Canadian Railway Troops, WWI Claiming Rule Teams, in motorcycle racing Connecticut Repertory Theatre, University of Connecticut Correctional Emergency Response Team Tochigi Broadcasting, a radio station in Tochigi Prefecture, Japan Iyojwaʼja Chorote language, a Matacoan language of Argentina (ISO 639 code: crt)
See also