单词 | lactometer |
释义 | lactometer|lækˈtɒmɪtə(r)| [f. lacto- + -meter.] An instrument for gauging the purity of milk.
1817Blackw. Mag. II. 219 A Lactometer, for ascertaining the comparative value of each cow's milk in a dairy. 1872Echo 8 Oct. 5 Milk which was proved by the lactometer to be more than half water. |

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