Word.ws English Dictionary

CD3

CD3 noun: an 80-mm (3-inch) CD (compact disc).

Noun (1)

CD3 (plural CD3s)

  1. an 80-mm (3-inch) CD (compact disc)
  2. a 3-inch CD single

Noun (2)

CD3 (plural CD3s)

  1. an antigen, part of the T cell receptor (TCR) complex on mature T lymphocytes
    Synonyms:
    MiniCD, Mini CD, Mini-CD

Synonyms of CD3

Forms of CD3

pluralCD3s

Origin of CD3

From compact disc.

From cluster of differentiation.

Questions about CD3

What does CD3 mean?
CD3 means an 80-mm (3-inch) CD (compact disc).
What part of speech is CD3?
CD3 is a noun.
What is the plural of CD3?
The plural of CD3 is CD3s.

Words near CD3 in the dictionary

  1. CD20
  2. CD21
  3. CD22
  4. CD22s
  5. CD23
  6. CD3
  7. CD30
  8. CD30s
  9. CD319
  10. CD319s
  11. CD33

Source and license

Adapted from Wiktionary: CD3 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “CD3.” Word.ws, https://word.ws/cd3. Based on Wiktionary, CC BY-SA 4.0.