twaddell hydrometer

twaddell hydrometer
noun
Usage: usually capitalized T
Etymology: after William Twaddell died 1840? Scottish inventor
: a hydrometer for liquids heavier than water graduated with an arbitrary scale to give specific gravity when a reading is multiplied by 0.005 and added to unity

Useful english dictionary. 2012.

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Look at other dictionaries:

  • twaddell — (ˈ)twä|del also (ˈ)twȯ|del or ˈ ̷ ̷ dəl adjective Usage: usually capitalized Etymology: Twaddell (hydrometer) : according to the reading of a Twaddell hydrometer degrees twaddell …   Useful english dictionary

  • Twaddell's hydrometer — Twaddell Twad dell, n., Twaddell s hydrometer Twad dell s hy*drom e*ter [After one Twaddell, its inventor.] A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and… …   The Collaborative International Dictionary of English

  • Twaddell — Twad dell, n., Twaddell s hydrometer Twad dell s hy*drom e*ter [After one Twaddell, its inventor.] A form of hydrometer for liquids heavier than water, graduated with an arbitrary scale such that the readings when multiplied by .005 and added to… …   The Collaborative International Dictionary of English

  • Hydrometer — Not to be confused with Hygrometer. Hydrometer from Practical Physics Schematic drawing of a hydrometer. The lower the densi …   Wikipedia

  • tw — abbreviation 1. capitalized Twaddell (hydrometer) 2. twisted * * * TW 7 [TW] abbreviation (pl. TW …   Useful english dictionary

  • Twad. — Twad., Twaddell (hydrometer) …   Useful english dictionary

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