clean room

American  

noun

1. a room in which contaminants such as dust are reduced to a very low level by special procedures so that operations such as the manufacture and assembly of delicate equipment or the manipulation of biological materials can be performed effectively.

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clean room Scientific  

/ klēn /

1. A room that is maintained free of contaminants, such as dust or bacteria. Clean rooms are used in laboratory work and in the production of precision parts for electronic or aerospace equipment.

2. Also called white room

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Etymology

Origin of clean room

An Americanism dating back to 1960–65

Example Sentences

Helium cools so-called clean rooms where chips are made under extremely precise temperature and pressure conditions.

From Barron's

Helium cools so-called clean rooms where chips are made under extremely precise temperature and pressure conditions.

From Barron's

All testing was performed in controlled clean rooms designed specifically for microplastic analysis.

From Science Daily

Each fab will be 600,000 square feet—the size of more than 10 football fields—making them some of the biggest “clean rooms” ever built in America.

From The Wall Street Journal

Chip fabs take at least two years to come online, Weathers noted, and existing sites are limited from adding more clean room space, which is where chips are manufactured.

From MarketWatch