isallobar noun.
[ʌɪs'alǝ(ʊ)bɑ:] E20.[from IS(O)- + ALLO- + BAR noun4.]Meteorology. A line (imaginary or on a map) connecting points at which the barometric pressure has changed by an equal amount during a specified time.
■ isallo'baric adjective E20. [TahlilGaran] English Dictionary ▲