1. a graduated glass tube with a tap at one end, for delivering known volumes of a liquid, especially in laboratory titrations.
Usage: also spelled buret (chiefly U.S.); chemistry and laboratory equipment

Examples

• The student carefully filled the burette with the standard solution before beginning the titration.
• A burette allows chemists to measure and dispense precise volumes of liquid.
• The burette was calibrated to ensure accurate measurements during the experiment.
• She opened the tap on the burette to release drops of the reagent into the flask.
• Burettes are essential equipment in any analytical chemistry laboratory.