Methanometer

1 definition found

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

  Methanometer \Meth`a*nom"e*ter\, n. [Methane + -meter.]
     An instrument, resembling a eudiometer, to detect the
     presence and amount of methane, as in coal mines.
     [Webster 1913 Suppl.]