Definition of dropping bottle
1 : a small pitcher-shaped bottle with a curved or tapered neck used to supply liquids in small amounts (as to test tubes) — compare burette
2a : a small bottle with a grooved glass stopper and neck permitting the contents to be poured out in drops
b : a bottle furnished with a dropper or a glass rod applicator
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Merriam-Webster unabridgedWords at Play
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