Word.ws English Dictionary

cleanroom

cleanroom noun: a room or environment that is controlled in such a way as to minimize airborne particulate matter, typically for the purpose of fabricating sensitive electronic or other devices.

Noun

cleanroom (plural cleanrooms)

  1. A room or environment that is controlled in such a way as to minimize airborne particulate matter, typically for the purpose of fabricating sensitive electronic or other devices.
    Synonyms:
    white room
  2. (attributive) The method of copying a design by reverse engineering and then recreating it without infringing any copyrights.
  3. (attributive) Being or relating to a software development process intended to produce software with a certifiable level of reliability.

Verb

cleanroom (third-person singular simple present cleanrooms, present participle cleanrooming, simple past and past participle cleanroomed)

  1. (transitive) To copy (a design) by reverse engineering and then recreating it without infringing any copyrights.
    • Based on OSF's Motif, this technology was “clean roomed” and is not in violation of any Apple copyright or patent […]1990, InfoWorld, volume 13, numbers 1-8, page 40

Synonyms of cleanroom

Forms of cleanroom

Noun
pluralcleanrooms
alternative formclean room
alternative formclean-room
Verb
third-person singular presentcleanrooms
present participlecleanrooming
past participlecleanroomed
pastcleanroomed

Origin of cleanroom

From clean + room.

Questions about cleanroom

What does cleanroom mean?
Cleanroom means a room or environment that is controlled in such a way as to minimize airborne particulate matter, typically for the purpose of fabricating sensitive electronic or other devices.
What part of speech is cleanroom?
Cleanroom can be a noun or a verb.
What is the plural of cleanroom?
The plural of cleanroom is cleanrooms.

Words near cleanroom in the dictionary

  1. cleanly
  2. cleanness
  3. cleannesses
  4. cleanout
  5. cleanouts
  6. cleanroom
  7. cleanroomed
  8. cleanrooming
  9. cleanrooms
  10. cleans
  11. cleans and jerks

Source and license

Adapted from Wiktionary: cleanroom (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:

Pronunciation audio from Wikimedia Commons, each file under its own free license: LL-Q1860 (eng)-Flame, not lame-cleanroom.wav.

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