Bār'o-mē'tro-grāph, n.
n. [Gr. βάρος, weight, μέτρον, measure, and γράφειν, to write.] An instrument for inscribing, of itself, upon paper, the variations of atmospheric pressure.
n. [Gr. βάρος, weight, μέτρον, measure, and γράφειν, to write.] An instrument for inscribing, of itself, upon paper, the variations of atmospheric pressure.