DTR may refer to:
Medicine
*
Deep tendon reflex
Technology
*
Data Terminal Ready, a control signal in RS-232 serial communications
*
Desktop replacement computer, portable, with desktop-like capabilities
* Digital Tape Recorder in spacecraft of the
Voyager program
Others
* The
Deuteronomist
The Deuteronomist, abbreviated as either Dtr or simply D, may refer either to the source document underlying the core chapters (12–26) of the Book of Deuteronomy, or to the broader "school" that produced all of Deuteronomy as well as the Deutero ...
historian (Dtr)
*
Dietetic Technician, Registered
*
Dorian Thompson-Robinson (born 1999), American football player
*
Downtown Radio, Northern Ireland
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