stemmer

noun

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stem·mer | \ ˈste-mər

plural stemmers

Definition of stemmer

: one that stems something: such as

a : a person or device that removes the stems from an agricultural product (such as tobacco leaves or grapes) a mechanical stemmer

b : software that generates stem words (see stem entry 1 sense 4) from their inflected forms The stemmer follows Porter's algorithm and works for Brazilian Portuguese by identifying the stem of words by incrementally removing their suffix/termination.— Alexandre Ribeiro Afonso and Cláudio Gottschalg Duque