cdr

C3D2R1
/ˈku.də//ˈku.dɚ//ˈkʌd.ə//ˈkʌd.ɚ/

noun

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

Opposite
CommonScrabble 6

Meanings

cdr1

nouncdr (plural cdrs)

plural cdrs · alternative CDR

  1. computingThe 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.

    2000, Matt Kaufmann, Panagiotis Manolios, J Strother Moore, Computer-aided reasoning: an approach

    Antonyms: car

CDR2

nounCDR (countable and uncountable, plural CDRs)

plural CDRs

  1. abbreviationcountableinitialismuncountablebusinessInitialism of Canadian depositary receipt.
  2. abbreviationcountableinitialismuncountablecommunicationsInitialism of call detail record: a computer record representing a unit of traffic handled by a telephone exchange.
  3. abbreviationcountableinitialismuncountableInitialism of common data rate.
  4. abbreviationcountableinitialismuncountablecomputingInitialism of content of decrement of register; cdr.
  5. abbreviationcountableinitialismuncountablemedicineInitialism of cup-to-disc ratio.
  6. abbreviationcountableuncountablegovernmentAbbreviation of commander.
  7. abbreviationcountableinitialismuncountablebusinessInitialism of current divider rule or current division rule.

    Coordinate term: VDR

  8. abbreviationcountableinitialismuncountableInitialism of carbon dioxide removal.
  9. abbreviationcountableinitialismuncountablevideo gamesInitialism of cooldown reduction.
  10. countableuncountableCommittee for the Defense of the Revolution

Cdr3

noun
  1. abbreviationAbbreviation of commander.

Synonyms & antonyms

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

Opposite

Origin

Acronym of contents of the decrement part of register number. Note that it was based on original hardware and has no meaning today.

Full word history & related roots →

Rhymes & wordplay

Anagrams

Cite this entry
APA

cdr. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/cdr

MLA

“cdr.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/cdr. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “cdr,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/cdr.

Source: cdr on Wiktionary, CC BY-SA 4.0.