Also erron. limni-. [f. Gr. λίμνη lake + -METER.] An apparatus for measuring the variations of level in lakes.

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1852.  Th. Ross, Humboldt’s Trav., II. xvi. 14. The Marquis del Toro has undertaken to put this design into execution … establishing limnometers, on a bottom of gneiss rock, so common in the lake of Valencia.

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1879.  Nature, 23 Oct., 615/2. M. Edouard Sarasin has recently established a registering limnimeter … near the eastern extremity of the Lake of Geneva.

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