1. to remove caffeine from (coffee, tea, or other beverages)

Examples

• The company decaffeinates their coffee using a water process.
• She prefers to decaffeinate her tea before bedtime.
• The factory decaffeinates thousands of pounds of coffee beans daily.
• They use steam to decaffeinate the green coffee beans.
• The process to decaffeinate coffee was invented in the early 1900s.
• Many people choose decaffeinated drinks to avoid caffeine’s effects.