Bär'o-gräph, n.
n. [Gr. βάρος, weight, and γράφειν, to write.] (Meteor.) An instrument for recording automatically the variations of atmospheric pressure. M. J. Johnson.
n. [Gr. βάρος, weight, and γράφειν, to write.] (Meteor.) An instrument for recording automatically the variations of atmospheric pressure. M. J. Johnson.