Dictionary

test tube

noun

: a glass container that is shaped like a tube which is closed at one end and that is used especially in science experiments

Full Definition of TEST TUBE

: a plain or lipped tube usually of thin glass closed at one end and used especially in chemistry and biology

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1846

TEST TUBE Defined for Kids

noun

: a tube of thin glass closed at one end and used especially in chemistry and biology

Medical Dictionary

noun

: a plain or lipped tube usually of thin glass closed at one end and used especially in chemistry and biology

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