Learn how to say Isobars correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word isobar:
1 Meteorology a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period.
Physics a curve or formula representing a physical system at constant pressure.
2 Chemistry each of two or more isotopes of different elements, with the same atomic weight.
Pronunciation: /-ˈbarɪk/ adjective
mid 19th century: from Greek isobaros ‘of equal weight’, from isos ‘equal’ + baros ‘weight’