等压线 děngyāxiàn isobar Definitions Defs Origin Strokes Stroke Words Sentences Sents 等 děng adjective equal (bound form) equal to; same as压 壓 yā noun [pressure] (bound form) pressure; specifically referring to voltage, air pressure, or blood pressure线 線 xiàn noun line (geometry) (geometry) the figure formed by a moving point