[hee-lee-os] /ˈhi liˌɒs/
the ancient Greek god of the sun, represented as driving a chariot across the heavens; identified by the Romans with Sol.
[hee-lee-oh] /ˈhi liˌoʊ/
noun, plural helios. Informal.
(Greek myth) the god of the sun, who drove his chariot daily across the sky Roman counterpart Sol
[hee-lee-op-uh-lis] /ˌhi liˈɒp ə lɪs/ noun 1. Biblical name On. an ancient ruined city in N Egypt, on the Nile delta. 2. ancient Greek name of . /ˌhiːlɪˈɒpəlɪs/ noun 1. (in ancient Egypt) a city near the apex of the Nile delta: a centre of sun worship Ancient Egyptian name On 2. the Ancient Greek […]
[hee-lee-uh-skohp] /ˈhi li əˌskoʊp/ noun 1. a telescope for viewing the sun, adapted to protect the eye of the viewer from the sun’s glare.
noun the study of the sun’s interior by the analysis of its oscillations and sound waves passing through it See asteroseismology Word Origin helio- ‘sun’ + seismology
[hee-lee-uh-sfeer] /ˈhi li əˌsfɪər/ noun, Astronomy. 1. the region around the sun over which the effect of the solar wind extends. /ˈhiːlɪəʊˌsfɪə/ noun 1. the region around the sun outside of which the sun’s influence is negligible and interstellar space begins heliosphere (hē’lē-ə-sfîr’) The large, roughly elliptical region of space around the Sun through which […]