formula magica znamená v Angličtina

magic word▼(word with magical effect)
noun
[UK: ˈmæ.dʒɪk ˈwɜːd] [US: ˈmæ.dʒɪk ˈwɝːd]

spell [spells]▼(magical incantation)
noun
[UK: spel] [US: ˈspel]