cold finger
Noun
Meaning
(chemistry) A piece of laboratory equipment used for creating a cold spot on a surface.
Used other than figuratively or idiomatically: see cold, finger.
Source: en.wiktionary.orgNoun
(chemistry) A piece of laboratory equipment used for creating a cold spot on a surface.
Used other than figuratively or idiomatically: see cold, finger.
Source: en.wiktionary.org