cdr

Initialism of Canadian depositary receipt.

Initialism of call detail record: a computer record representing a unit of traffic handled by a telephone exchange.

Initialism of common data rate.

Initialism of content of decrement of register; cdr.

Initialism of cup-to-disc ratio.

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

The elements of a list are the successive cars along the "cdr chain." That is, the elements are the car, the car of the cdr, the car of the cdr of the cdr, etc.

Abbreviation of commander.