test-tube
|test-tube|
B2
/ˈtɛst ˌtjuːb/
laboratory glass tube
Etymology
Etymology Information
'test-tube' originates from the combination of 'test' and 'tube', where 'test' refers to an examination or trial, and 'tube' refers to a cylindrical container.
Historical Evolution
The term 'test-tube' has remained relatively unchanged since its inception in the 19th century, when it was first used in scientific laboratories.
Meaning Changes
Initially, it meant a simple glass tube used for testing, and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a thin glass tube closed at one end, used to hold small amounts of material for laboratory testing or experiments.
The scientist carefully poured the solution into the test-tube.
Synonyms
Last updated: 2025/02/07 16:21