Twaddell

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  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.


     [Webster 1913 Suppl.]