1. plural of dropperful; the amount of liquid that a dropper can hold and dispense in one application
Usage: countable noun; commonly used in medical, pharmaceutical, and laboratory contexts

Examples

• The doctor prescribed two dropperfuls of medicine three times daily.
• Add several dropperfuls of food coloring to the mixture.
• Each dropper holds approximately 20 dropperfuls of the liquid.
• The recipe calls for three dropperfuls of vanilla extract.
• She carefully measured out dropperfuls of the eye drops.
• The laboratory technician dispensed dropperfuls of the chemical solution.