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
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
Hydrometer — Not to be confused with Hygrometer. Hydrometer from Practical Physics Schematic drawing of a hydrometer. The lower the densi … Wikipedia
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… … Useful english dictionary
tw — abbreviation 1. capitalized Twaddell (hydrometer) 2. twisted * * * TW 7 [TW] abbreviation (pl. TW … Useful english dictionary
Twad. — Twad., Twaddell (hydrometer) … Useful english dictionary