1. an instrument used to measure the alcohol content or specific gravity of a liquid, especially alcoholic beverages
Usage: also called a hydrometer when used for this purpose; technical/scientific term

Examples

• The distillery uses an alcoholometer to ensure each batch meets the required proof standard.
• An alcoholometer floats higher in solutions with lower alcohol content.
• The brewer checked the fermentation progress with an alcoholometer.
• Winemakers rely on an alcoholometer to determine when fermentation is complete.
• The alcoholometer reading indicated the wine had reached 13.5% alcohol by volume.