isallobar


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Related to isallobar: Isodrosotherm

i·sal·lo·bar

 (ī-săl′ə-bär′)
n.
A line on a weather map connecting places having equal changes in atmospheric pressure within a given period of time.

[is(o)- + allo- + Greek baros, weight; see gwerə- in Indo-European roots.]

isallobar

(aɪˈsæləˌbɑː)
n
(Physical Geography) meteorol a line on a map running through places experiencing equal pressure changes

is•al•lo•bar

(aɪˈsæl əˌbɑr)

n.
a line on a weather map or chart connecting points having equal pressure changes.
[1910–15]