Other
- Cathode ray tube, a type of vacuum tube used for information displays (monitors or TVs) or oscilloscopes
- The C runtime library (part of the C standard library), in programming
- Criterion-referenced test, a type of exam
- Charitable remainder trust
- Claiming Rule Team, a category of team in Grand Prix motorcycle racing
- The Colonial Radio Theatre on the Air radio drama production company
- Critical race theory, a school of social thought that applies critical theory to issues of race, law, and power
- The Current reality tree (TOC) of Theory of Constraints, in process management
Read more about this topic: CRT