Definition of wash bottle in English:

wash bottle

noun

Chemistry
  • 1A bottle, typically plastic, with a nozzle for directing a stream of liquid on to something.

    • ‘Food was delivered in a wash bottle to train test subjects to investigate surface disturbance.’
    • ‘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.’
    1. 1.1 A bottle containing liquid through which gases are passed for purification.