adv. [f. prec. + -LY2.] Into hundredths, in fractions of a hundred.

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1832.  Nat. Philos., II. Thermom. & Pyrom., i. 9 (Usef. Knowl. Soc.). Celsius … divided centesimally the thermometer known … by his name.

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1869.  Daily News, 13 Sept., 7/5. I have … given the result of my examination in ounces and also centesimally.

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