- auroral isochasm
- изохазма полярных сияний
English-Russian electronics dictionary .
English-Russian electronics dictionary .
isochasm — isochasmic, adj. /uy seuh kaz euhm/, n. Meteorol. a line on a map or chart connecting points where auroras are observed with equal frequency. [1880 85; ISO + CHASM] * * * isochasm /īˈsō kazm/ noun A contour line of equal frequency of auroral… … Useful english dictionary