testtube
/ˈtɛstˌtjuːb/
B1 · Intermediate★★☆☆☆
Simple Meaning
un tubo pequeño de vidrio que se usa en experimentos científicos.
When to Use
⚙️Technical📚Academic Writing
Intermediate — can handle common situations
Examples in Conversation
“Ten cuidado con ese tubo de ensayo; contiene ácido.”
“El científico puso el líquido en un tubo de ensayo y lo calentó.”
Learning Path
▶Full Definition
A thin, cylindrical glass tube closed at one end, used in scientific experiments to hold small amounts of substances.
“The chemist carefully poured the liquid into a clean testtube for analysis.”