What does 验证 (yànzhèng) mean in English?

Card 3026HSK Level 43026/3571
CARD3026
PROGRESS85%
验证
驗證
yànzhèng
test and verify(Verb)
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Reveal: Click/Space/Enter/↑↓/w/s/j/k•Navigate: ←→/h/l/a/d