(ˌaɪsəʊˈbærɪk) or isobarometric (ˌaɪsəʊˌbærəˈmɛtrɪk)
adjective
1. Also: isopiestic
having equal atmospheric pressure
2.
of or relating to isobars
isobaric in American English
(ˌaisəˈbærɪk)
adjective
1. Meteorology
having or showing equal barometric pressure
2. Physics & Chemistry
of or pertaining to isobars
Word origin
[1875–80; isobar + -ic]This word is first recorded in the period 1875–80. Other words that entered Englishat around the same time include: graph, knockabout, neoclassic, overdraft, weekend-ic is a suffix forming adjectives from other parts of speech, occurring originally inGreek and Latin loanwords (metallic; poetic; archaic; public) and, on this model, used as an adjective-forming suffix with the particular senses“having some characteristics of” (opposed to the simple attributive use of the basenoun) (balletic; sophomoric); “in the style of” (Byronic; Miltonic); “pertaining to a family of peoples or languages” (Finnic; Semitic; Turkic)