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immersion

mastery

UK /ɪˈmɜːʃən/ US /ɪˈmɝʒən/noun

card 1 of 10 · context meaning

Which meaning of 'immersion' best matches the sentence?

An occultation of a star by the moon provides two sharply defined observable phenomena: the disappearance of a star behind the disc of the moon (called its immersion), and its subsequent reappearance (or emersion).