CRT

The initialism CRT has more than one use:

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• In electronics, the cathode ray tube of a display device, such as a television
• In U.S. schools, the Criterion-Referenced Test
• In mathematics, the Chinese remainder theorem
• In computing, the C Run-Time Library
• In medicine, it means Corneal Refractive Therapy.
• In astronomy, Crt is used for the constellation Crater.
• In Law, CRT is a Charitable Remainder Trust
• In philosophy or sociology, CRT is the school of thought known as Critical race theory