Isobar

['aɪsə(ʊ)bɑː] or ['aɪsəbɑr]

Definition

(noun.) (meteorology)an isogram connecting points having equal barometric pressure at a given time.

Checker: Sinclair--From WordNet

Definition

(n.) 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.

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

Typed by Avery