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English definition of “first”

first

noun [S] (NEVER BEFORE)    /ˈfɜːst/ US  /ˈfɝːst/
C2 something that has never happened or been done before: This new surgical technique is a first for (= has never been done before in) Britain .Always and never
(Definition of first noun (NEVER BEFORE) from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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