wɪððə pˈɑːɹɾɪkəl mˈæs ˈɛm, ɪts tʃˈɑːɹdʒ kjˈuː, vəlˈɑːsᵻɾi vˈiː, ænd ðə sˈɜːkjʊlɚ pˈæθ ɹˈeɪdɪəs ˈɑːɹ, ˈɔːlsoʊ kˈɔːld dʒˌaɪɹoːɹˈeɪdɪəs.
with the particle mass m, its charge q, velocity v, and the circular path radius r, also called gyroradius.