noun, verb ·Rare ·Advanced level

Definitions

Noun

1. 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.
2. 2
   The method of copying a design by reverse engineering and then recreating it without infringing any copyrights. attributive
3. 3
   Being or relating to a software development process intended to produce software with a certifiable level of reliability. attributive

Verb

1. 1
   To copy (a design) by reverse engineering and then recreating it without infringing any copyrights. transitive

   "Based on OSF's Motif, this technology was “clean roomed” and is not in violation of any Apple copyright or patent […]"

Synonyms

All synonyms

white room

Example

More examples

"These masks were made in a cleanroom."

Etymology

From clean + room.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.