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hydrometer
(hī dräm′ət ər)
noun
an instrument for measuring the specific gravity of liquids: it is a graduated, weighted tube that sinks in a liquid up to the point determined by the density of the liquid
Origin: hydro- + -meter
Related Forms:
- hydrometric adjective or hydrometrical
- hydrometry noun
See hydrometer in American Heritage Dictionary 4
noun
An instrument used to determine specific gravity, especially a sealed, graduated tube, weighted at one end, that sinks in a fluid to a depth used as a measure of the fluid's specific gravity.
Related Forms:
- hyˌdro·metˈric (hīˌdrə-mĕtˈrĭk), hyˌdro·metˈri·cal adjective
- hyˌdro·metˈri·cal·ly adverb
- hy·dromˈe·try noun
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