hydrometer en · NOUN
Pronunciation
- /haɪˈdɹɑːmɪtɚ/
- (Southern-England) audio
Etymology
Etymology tree Proto-Indo-European *wed- Proto-Indo-European *-r̥ Proto-Indo-European *wódr̥ Proto-Hellenic *údōr Ancient Greek ῡ̆̔́δωρ (hū̆́dōr) Ancient Greek ῠ̔δρο- (hŭdro-)lbor. English hydro- Proto-Indo-European *meh₁- Proto-Indo-European *-tḗr Proto-Indo-European *-trom Proto-Hellenic *-tron Ancient Greek -τρον (-tron) Ancient Greek μέτρον (métron)lbor. French -mètrebor. English -meter English hydrometer From hydro- + -meter.
Meanings
-
An instrument that floats in a liquid and measures its specific gravity on a scale.
On the wall were hanging thermometers, barometers, and hydrometers, and every other sort of ometer, numberless, dusty, and mysterious; […]
1843, John Holmes Agnew, Eclectic Museum of Foreign Literature, Science and Art:[E]ach degree of the hydrometer, when at or near proof, is about a quart in a hundred gallons stronger or weaker, as the hydrometer vibrates under or over the silver speck or sight on the index or upper stem; at the intermediate or strong overproofs, is about a pint in ditto; and at the low underproofs is about three pints in ditto.
1806, Peter Jonas, “Method of Ascertaining the Strength of Spiritous Liquors by Clarke’s Hydrometer”, in The Genuine Art of Gauging Made Easy and Familiar; Exhibiting All the Principal Methods Actually Practised by the Officers of His Majesty’s Revenue of Excise and Customs: …, London: Printed [by C[harles] Whittingham] for Dring and Fage, […], →OCLC, page 367:
Forms
| Spelling | Features | Labels | Source |
|---|---|---|---|
| hydrometers | Number=Plur | lexicographic | |
| hydrometre | alternative, nonstandard | lexicographic |
Coordinates
specific gravity bottle · pycnometer
Deriveds
thermohydrometer · Twaddell hydrometer
Relateds
Synonyms
Translations (13)
ms hidrometer (instrument — see also areometer) · es hidrómetro (instrument — see also areometer) · el υδρόμετρο (instrument — see also areometer) · tr sıvıölçer (instrument — see also areometer) · eo hidrometro (instrument — see also areometer) · cmn 比重計 /比重计 (instrument — see also areometer) · tl danumsukod (instrument — see also areometer) · tr hidrometre (instrument — see also areometer) · fi hydrometri (instrument — see also areometer) · ms jangka tumpat (instrument — see also areometer) · fr hydromètre (instrument — see also areometer) · ca hidròmetre (instrument — see also areometer) · eo likvodensomezurilo (instrument — see also areometer)