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heliosheath. In DICTIOUS you will not only get to know all the dictionary meanings for the word
heliosheath, but we will also tell you about its etymology, its characteristics and you will know how to say
heliosheath in singular and plural. Everything you need to know about the word
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English
Etymology
From helio- + sheath.
Pronunciation
Noun
heliosheath (plural heliosheaths)
- (astronomy) A zone between the termination shock and the heliopause, in the heliosphere, at the outer border of the Solar System, where the solar wind is dramatically slower than within the termination shock.
2023, Martin MacInnes, In Ascension, Atlantic Books, page 388:We encroach deeper into the furthest extent of the heliosheath, which thins out all the time.
Coordinate terms
Translations
zone between the termination shock and the heliopause