¦hēlēə¦sfi(ə)r, -¦sfiə, -lēō¦- noun
Etymology: International Scientific Vocabulary heli- + sphere (I)
: the region in space influenced by the sun ; specifically : the region over which the solar wind extends
¦hēlēə¦sfi(ə)r, -¦sfiə, -lēō¦- noun
Etymology: International Scientific Vocabulary heli- + sphere (I)
: the region in space influenced by the sun ; specifically : the region over which the solar wind extends
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012