stemmer

名词 stemmer:

1. a worker who strips the stems from moistened tobacco leaves and binds the leaves together into books
   同义词：stripper, sprigger
2. a worker who makes or applies stems for artificial flowers
3. an algorithm for removing inflectional and derivational endings in order to reduce word forms to a common stem
   同义词：stemming algorithm
4. a miner's tamping bar for ramming packing in over a blasting charge
5. a device for removing stems from fruit (as from grapes or apples)