Isobare

1 definition found

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

  Isobar \I"so*bar\, n. [Iso- + Gr. ? weight.] (Phys. Geog.)
     A line connecting or marking places upon the surface of the
     earth where height of the barometer reduced to sea level is
     the same either at a given time, or for a certain period
     (mean height), as for a year; an isopiestic line. [Written
     also {isobare}.]


     [1913 Webster]