sˈaɪklətɹˌɑːn ɹˈɛzənəns dᵻskɹˈaɪbz ðɪ ˌɪntɚɹˈækʃən ʌv ɛkstˈɜːnəl fˈoːɹsᵻz wɪð tʃˈɑːɹdʒd pˈɑːɹɾɪkəlz ɛkspˈiəɹɪənsɪŋ ɐ mæɡnˈɛɾɪk fˈiːld, ðˈʌs ɔːlɹˌɛdi mˈuːvɪŋ ˌɔn ɐ sˈɜːkjʊlɚ pˈæθ.
Cyclotron resonance describes the interaction of external forces with charged particles experiencing a magnetic field, thus already moving on a circular path.