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clean room

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.
Origin of clean room
1960-65, Americanism Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2016.
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cleanroom in Science
clean room
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. Also called white room.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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cleanroom in Technology

A software development approach aimed at producing software with the minimum number of errors.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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