The Collaborative International Dictionary
Twaddell
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 unity give the specific gravity.
Wikipedia
Twaddell
Twaddell may refer to:
- William Twaddell
- Twaddell hydrometer scale