You searched for: “isochasm”
isochasm
A line connecting points on the earth’s surface at which the aurora is observed with equal frequency.
This entry is located in the following unit: iso-, is- (page 2)
Word Entries containing the term: “isochasm”
auroral isochasm
An imaginary line which connects areas of equal auroral intensity or frequency that can be observed and averaged over a number of years.
This entry is located in the following unit: aurora-, -aurora + (page 1)