isotimic surface

isotimic surface

[¦ī·sə¦tim·ik ′sər·fəs]
(meteorology)
A surface in space on which the value of a given quantity is everywhere equal; isotimic surfaces are the common reference surfaces for synoptic charts, principally constant-pressure surfaces and constant-height surfaces.
References in periodicals archive ?
In the past, we've not been able to see through the isotimic surfaces to fully visualize the 3D structure of a flame.