barometer
n.
1660s, from Greek baros "weight" (see grave, adj.) + -meter. Probably coined (and certainly popularized) by English scientist Robert Boyle (1627-1691).
〔李〕[bar;-o-;meter] n.气压计； 晴雨计 ←bar (GK baros)=weight 重量
〔李〕n. 气压计 [baro- =pressure] ←-meter [GK] =adevice for measuring表示“⋯仪表”