Test Tube (Noun)
Meaning
Glass tube closed at one end.
Classification
Nouns denoting man-made objects.
Examples
- The scientist carefully mixed the chemicals in a test tube to create a new compound.
- The biology student examined the tiny organisms growing in the test tube under her microscope.
- The medical researcher worked tirelessly in the lab, filling row after row of test tubes with experimental samples.
- She placed the fragile test tube in the rack, making sure it was secure and wouldn't break.
- The chemist added a few drops of the catalyzing agent to the test tube, observing the instant reaction.