1864, coined from Greek isos "equal" (see iso-) + baros "weight," from PIE root *gwere- (2) "heavy" (see grave (adj.)). Line connecting places with the same barometric pressure at the same time.
实用例句
1. Ventilation resistance and ventilation isobar in the workings were measured with barometer.
采用气压计混合读数法测定了综放采场区域的通风阻力及通风等势图.来自互联网
2. The design of spring is the critical factor to the feature of isobar filling valve.
