What extraction force defines standard filter coffee preparation?
Answer
Gravity drip
Filter coffee is fundamentally characterized by the method of extraction, which relies on gravity to pull hot water through the bed of ground coffee held in a porous barrier like paper or mesh. This slow, controlled descent of water is the mechanism that separates the brewed liquid from the spent grounds. This contrasts sharply with pressure-based methods like espresso, which force water through the grounds, or immersion methods, where grounds steep directly in water before separation. The reliance on gravity is what places filter coffee in its distinct category within brewing methods.
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