First crack is a term used in coffee roasting, referring to the stage when the coffee beans make a popping sound for the first time. Synonyms for first crack include initial pop, infancy stage, primary burst, and starting point. It's important for coffee roasters to monitor the first crack, as this indicates the coffee beans have reached a critical point in the roasting process. The synonyms for first crack can help coffee aficionados better understand the timing and progression of the roasting process. By mastering the timing of first crack, coffee roasters can achieve the perfect balance between flavor and aroma in their coffee.