HELIOSPHERE
Meaning of HELIOSPHERE in English
/hee"lee euh sfear'/ , n. Astron.
the region around the sun over which the effect of the solar wind extends.
[ 1970-75; HELIO- + -SPHERE ]
Random House Webster's Unabridged English dictionary.
Полный английский словарь Вебстер - Random House .
2012