isochasm

[ ahy-suh-kaz-uhm ]

/ ˈaɪ səˌkæz əm /

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noun Meteorology.

a line on a map or chart connecting points where auroras are observed with equal frequency.

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Question 1 of 7

Which sentence is correct?

His boss, whom he admires, is waiting to meet with him about the big project.

His boss, who he admires, is waiting to meet with him about the big project.

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Origin of isochasm

First recorded in 1880–85; iso- + chasm

OTHER WORDS FROM isochasm

i·so·chas·mic, adjective

Words nearby isochasm

isobutyl propionate, isocarboxazid, isocarpic, isocephalic, isoceraunic, isochasm, isocheim, isochor, isochore, isochromatic, isochron