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Pronunciation varies by accent · noun
(astronomy) A phenomenon in which a magnetotail becomes swollen and unstable..
At times, however, energy builds up within the magnetic field until it suddenly breaks loose into what is called a substorm, releasing a burst of electrical current that turns the auroras into pulsing red, purple and white colors.
Use substorm when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Substorm means (astronomy) A phenomenon in which a magnetotail becomes swollen and unstable..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
At times, however, energy builds up within the magnetic field until it suddenly breaks loose into what is called a substorm, releasing a burst of electrical current that turns the auroras into pulsing red, purple and white colors.
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