1. coffee makers that brew coffee by cycling boiling water through ground coffee beans
2. devices or substances that filter liquids through porous materials
Usage: technical

Examples

• The old-fashioned percolators made coffee with a distinctive bubbling sound.
• She collected vintage percolators from estate sales.
• Electric percolators became popular in the 1950s.
• The camping store sold aluminum percolators for outdoor use.
• Laboratory percolators are used to separate different substances.
• Coffee percolators work by forcing hot water up through a tube.
• Many people prefer drip coffee makers over percolators today.