clean room

noun

ˈklēn-ˌrüm 

-ˌru̇m

: a room for the manufacture or assembly of objects (such as precision parts) that is maintained at a high level of cleanliness by special means

Examples of clean room in a Sentence

The microchips are manufactured in a clean room.

Recent Examples on the Web

Sometimes the emergency department gets backed up partly because there aren’t enough workers to clean rooms or transport patients from the emergency department to inpatient hospital beds, said Morgan Jurgus, an emergency department assistant at the hospital. —Lisa Schencker, Chicago Tribune, 6 Jan. 2026

When in your closet, make sure to vacuum or dust the shelves and wipe them down for a clean room. —Daley Quinn, Southern Living, 4 Jan. 2026

Through a floor-to-ceiling glass wall, visitors get an unobstructed view into a real spacecraft clean room, where lander models like Peregrine and Griffin (which will one day land on the moon) took shape. —Iona Brannon, Travel + Leisure, 8 Nov. 2025

Labs that specialize in ancient DNA have high-tech clean rooms to minimize contamination. —Veronique Greenwood, Time, 24 Oct. 2025

Word History

First Known Use

1961, in the meaning defined above

Rhymes for clean room

• assume
• backroom
• ballroom
• barroom
• bathroom
• bedroom
• boardroom
• bridegroom
• classroom
• cloakroom
• consume
• costume