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(), a.[From Thirty: cf. AS. rtiga.] 1. Next in order after the twenty-ninth; the tenth after the twentieth; -- the ordinal of thirty; as, the thirtieth day of the month. 2. Constituting or being one of thirty equal parts into which anything is divided. Thir"tieth n.The quotient of a unit divided by thirty; one of thirty equal parts. スポンサード リンク
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