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单词 hydrometric
释义

hydrometricadj.

/hʌɪdrəʊˈmɛtrɪk/
Etymology: formed as hydrometry n. + -ic suffix. Compare French hydrométrique.
1. Of or pertaining to hydrometry, or to the determination of specific gravity by the hydrometer.
ΘΚΠ
the world > matter > constitution of matter > density or solidity > [adjective] > relating to measurement of specific gravity > specific instruments for measuring
hydrometrical1780
hydrometric1828
pycnometric1898
1828 in N. Webster Amer. Dict. Eng. Lang.
1860 M. F. Maury Physical Geogr. Sea (ed. 8) ix. §447 In order to weigh the seas in this manner, it is necessary that the little hydrometric balance by which it is to be done should be well and truly adjusted.
2. Relating to the measurement of the velocity and force of currents.Hydrometric pendulum, a current-gage. An instrument consisting of a ball suspended from the center of a graduated quadrant, and held in a stream to mark by its deflection the rate of motion of the water’ (E. H. Knight Pract. Dict. Mech. 1875).
ΚΠ
1864 in Webster's Amer. Dict. Eng. Lang.

Derivatives

hydroˈmetrical adj. = main sense.
ΘΚΠ
the world > matter > constitution of matter > density or solidity > [adjective] > relating to measurement of specific gravity > specific instruments for measuring
hydrometrical1780
hydrometric1828
pycnometric1898
1780 T. A. Mann in Philos. Trans. 1779 (Royal Soc.) 69 654 The hydrometrical principles laid down in this essay.
1807 P. Jonas (title) A Complete Set of Hydrometrical Tables.
This entry has not yet been fully updated (first published 1899; most recently modified version published online March 2018).
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adj.1780
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