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单词 quinquenary
释义 quinquenary, a. rare.
[For quinary, after L. quinque.]
= quinary.
1690Leybourn Curs. Math. 339 All Squares..are to be marked with Points..over every Binary or second Figure... Sursolids over every Quinquenary Figure.1825T. Thomson 1st Princ. Chem. I. 37 Nitrous acid is a quinquenary compound, composed of 1 atom sulphur and 3 atoms oxygen.
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