portafilter

English

Etymology

Blend of portable +‎ filter, or possibly incompletely calqued from Italian Italian portafiltro "filter-carrier".

Pronunciation

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Noun

portafilter (plural portafilters)

1. A holder for ground espresso coffee that is attached to a group in an espresso machine to produce espresso.
2. A similar-shaped device but without a bottom opening, used to backflush or clean an espresso machine.