test tube

Noun

(chemistry) a glass tube, rounded at one end and open at the other; used for small-scale laboratory tests

Japanese Meaning

化学実験で用いられる、小規模な検査・実験用の、片側が丸く閉じたガラス製の管

The scientist dropped the reagent into the test tube and watched the solution change color.

科学者は試薬を試験管に入れ、溶液が色を変えるのを見守った。

Sense（1）

(chemistry) a glass tube, rounded at one end and open at the other; used for small-scale laboratory tests

test tubes

（ plural ）