Defn: Denoting equal pressure; as, an isobaric line; specifically, of or pertaining to isobars.

ISOBARISM
I"so*bar*ism, n.

Defn: The quality or state of being equal in weight, especially in atmospheric pressure. Also, the theory, method, or application of isobaric science.

ISOBAROMETRIC
I`so*bar`o*met"ric, a. Etym: [Iso + barometric.] (Phys. Geog.)

Defn: Indicating equal barometric pressure.

ISOBATHYTHERM
I`so*bath"y*therm, n. Etym: [Iso- + Gr. (Phys. Geog.)

Defn: A line connecting the points on the surface of the earth where a certain temperature is found at the same depth.

ISOBATHYTHERMIC
I`so*bath"y*ther"mic, a.

Defn: Of or pertaining to an isobathytherm; possessing or indicating the same temperature at the same depth.

ISOBRONT
I"so*bront (i"so*bront), n. [Iso- + Gr. bronth` thunder.] (Meteor.)