Term: clean room: a room that is virtually free of dust or bacteria; used in laboratory work and in assembly or repair of precision equipment
Candidate hypernym: room: an area within a building enclosed by walls and floor and ceiling → 1
Candidate hypernym: approbation: official recognition or approval → 0
Candidate hypernym: fraction: the quotient of two rational numbers → 0
Candidate hypernym: wet fly: fisherman's fly that floats under the surface of the water → 0
Candidate hypernym: quartz lamp: a mercury-vapor lamp that is enclosed in a quartz container instead of a glass container → 0
Candidate hypernym: beeswax: a yellow to brown wax secreted by honeybees to build honeycombs → 0
Candidate hypernym: currency: the metal or paper medium of exchange that is presently used → 0
Candidate hypernym: red light: the signal to stop → 0
Candidate hypernym: ergotamine: an alkaloid derived from ergot that is less toxic than ergot; causes constriction of blood vessels and is used to treat migraine → 0
Candidate hypernym: solar calendar: a calendar based on solar cycles → 0
Candidate hypernym: price gouging: pricing above the market price when no alternative retailer is available → 0