1A bottle, typically plastic, with a nozzle for directing a stream of liquid on to something.
〔化〕（尤指带喷嘴的塑料）洗瓶
Example sentencesExamples
Petri dishes were placed in a growth room at 15°C with a PPFD of 450 mol m - 2 s - 1 for 20 d with further distilled water added on alternate days using a wash bottle.
Food was delivered in a wash bottle to train test subjects to investigate surface disturbance.
1.1A bottle containing liquid through which gases are passed for purification.