Standard Lemma guide

cadr

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • /ˈkɑːdə/
  • /ˈkɑdɚ/
  • /ˈkeɪdə/
  • /ˈkeɪdɚ/
  • US: Recorded audio is listed in the source snapshot.

1

noun

Meaning 1

Car of the cdr in Lisp. The second element in a list.

Definition source: English Wiktionary via Wiktextract

Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, programming, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

Initialism of Clean air delivery rate, a measure of cleaned air from air purifiers.

Definition source: English Wiktionary via Wiktextract

Usage: US, abbreviation, alt-of, initialism, uncountable

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

Contraction of car of the cdr.