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Webster 1913 Edition

Hydrometer

Hy-drom′e-ter

,
Noun.
[
Hydro-
, 1 +
-meter
: cf. F.
hydromètre
.]
1.
(Physics)
An instrument for determining the specific gravities of liquids, and thence the strength spirituous liquors, saline solutions, etc.
☞ It is usually made of glass with a graduated stem, and indicates the specific gravity of a liquid by the depth to which it sinks in it, the zero of the scale marking the depth to which it sinks in pure water. Extra weights are sometimes used to adapt the scale to liquids of different densities.

Webster 1828 Edition

Hydrometer

HYDROM'ETER

,
Noun.
[See Hydrometry.] An instrument to measure the gravity, density, velocity, force, &c. of water and other fluids, and the strength of spirituous liquors.

Definition 2024

hydrometer

hydrometer

English

Alternative forms

Noun

hydrometer ‎(plural hydrometers)

  1. An instrument that floats in a liquid and measures its specific gravity on a scale.

Derived terms

Translations

Etymology

From hydro- +‎ -meter.

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