fil·trate
noun/ˈfɪltreɪt/
/ˈfɪltreɪt/
(chemistry)- a liquid that has passed through a filter
滤液 Word Originearly 17th cent.: from modern Latin filtrat- ‘filtered’, from the verb filtrare, from medieval Latin filtrum ‘felt used as a filter’, of West Germanic origin and related to felt.