heliosphere


he·li·o·sphere

noun \ˈhē-lē-ə-ˌsfir, -ō-\

Definition of HELIOSPHERE

:  the region in space influenced by the sun or solar wind
he·li·o·spher·ic \ˌhē-lē-ə-ˈsfir-ik, -ˈsfer-, -lē-ō-\ adjective

Origin of HELIOSPHERE

International Scientific Vocabulary
First Known Use: 1976

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