isobar
/ˈaɪsəʊbɑː(r)/noun
1
- Meteorology a line on a map connecting points having the same atmospheric pressure at a given time or on average over a given period. Physics a curve or formula representing a physical system at constant pressure【气象】等压线。
2
- Physics each of two or more isotopes of different elements, with the same atomic weight【物理】同量异位素。
派生词
isobaric
adjective词源
mid 19th cent.: from Greek isobaros 'of equal weight', from isos 'equal' + baros 'weight'.