word
main sequence star
MAYN SEE-kwents STAR
meɪn ˈsiːkwəns stɑːrListen
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Syllable breakdown
mainsequencestar
Dictionary meaning
star in the stable phase of its life cycle during which it fuses hydrogen into helium in its core; the Sun is a main sequence star; position on the Hertzsprung-Russell diagram is determined by initial mass, with more massive stars being hotter, more luminous, and shorter-lived
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