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helio-electric
helio-electric adj. 
/ˌhilioʊiˈlɛktrɪk/ relating to electric force emanating from the sun.
Brit. /ˌhiːlɪəʊᵻˈlɛktrɪk/
, /ˌhiːlɪəʊᵻˈlɛktrɪk/U.S. /ˌhilioʊəˈlɛktrɪk/
, /ˌhilioʊəˈlɛktrɪk//ˌhilioʊiˈlɛktrɪk/Π
1884 Nature 8 May 47/2 The helio-electric theory of the perturbations of terrestrial magnetism.
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