(telephony) Initialism of call detail record: a computer record representing a unit of traffic handled by a telephone exchange. / Initialism of common data rate.

(programming) The second part of a cons in Lisp. The remainder of a list when the first element is removed.

plural of cdr

plural of CDR

(computing) Initialism of cached dynamic random-access memory.

(US, military, nautical) commodore

plural of CDRE