a. [f. prec. + -IC; cf. Gr. μετρικός of measuring.] Of the nature of, pertaining to, or indicated by a barometer.
1802. Rees, Cycl., s.v. Barometer, The difference of the barometric heights.
1827. Faraday, Chem. Manip., xv. 378. The mean height or barometric pressure.
1831. Lardner, Pneumat., iv. 253. The column of mercury sustained in the barometric tube.
1854. Scoffern, in Orr’s Circ. Sc., Chem. 313. The barometric weather-glass is supplied with a dial index.
1884. F. Britten, Watch & Clockm., 29. Barometric Error … the alteration in the timekeeping of a clock due to changes in the density of the atmosphere.
