ISOBAR

isobar

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

Source: WordNet® 3.1

Etymology

Noun

isobar (plural isobars)

(meteorology) A line drawn on a map or chart connecting places of equal or constant pressure.

(nuclear physics) Either of two nuclides of different elements having the same mass number.

(thermodynamics) A set of points or conditions at constant pressure.

Usage notes

• (meteorology)

Anagrams

• Borias, boiars

Source: Wiktionary

I"so*bar, n. Etym: [Iso- + Gr. (Phys. Geog.)

Definition: 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. [Written also isobare.]

I"so*bar, n.

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

Source: Webster’s Unabridged Dictionary 1913 Edition