etna

• 指实验室中使用的一种燃气喷灯，配有空气阀以调节燃气与空气的混合比例。

A noun referring to a type of gas burner used in laboratories, equipped with an air valve to regulate the mixture of gas and air.

1. Laboratory gas burnerC1formaltechnical

   A type of gas burner used in laboratories, featuring an air valve to control the mixture of gas and air for a regulated flame.

   本生灯

   • The chemist adjusted the etna to achieve a steady blue flame.
   • In the lab, we used an etna to heat the solution evenly.
   • The etna's air valve allows precise control of the gas mixture.

   同义词bunsenbunsen burner