CTR
CTR stands for:
- Carbon Dioxide Transfer
- Cardio-thoracic ratio , English abbreviation corresponding to the German HTQ ( Herz-Thorax-Quotient ); is used to assess the size of the human heart in the X-ray image
- Carinthian Tech Research
- Chemisch-Technische Reichsanstalt , a predecessor of the Federal Institute for Materials Research and Testing
- Chemical transport reaction
- Civic Type R , a car model made by the Japanese manufacturer Honda
- Click-through rate , a measure of the success of Internet advertising, also known as the click rate
- Color Thinner Ratio
- Compliant transaction recording
- Computing Tabulating and Recording Company , precursor to IBM
- Control zone (Engl. Controlled traffic region ), an airspace class in aviation
- Costa Rica , ITU code
- Counter mode , a method for block encryption
- Crash Team Racing , a computer game by the game developer Naughty Dog
- CTR Developments , a former British car manufacturer
- Current transfer ratio , see DC transfer ratio
- Choose the Right (dt. Righteousness pick , see) symbols of the Church of Jesus Christ of Latter-day Saints
C tr :
- Sound insulation correction , correction value of the sound reduction index R w for low-frequency (mostly traffic-related) Noise ( C orrection for Tr affic)
CTR as a distinguishing mark on license plates:
- Poland: Powiat Toruński in the Kuyavian-Pomeranian Voivodeship
Ctr stands for:
- Quintals , an old abbreviation for the unit of weight
