What does 过滤 (guòlǜ) mean in English?

Card 1006HSK Level 41006/3571
CARD1006
PROGRESS28%
过滤
過濾
guòlǜ
filtrate(Verb)
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Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d