noun
: a measure of the momentum of an electric particle moving normally across a magnetic field (as in a cyclotron) equal to the product of the radius of curvature by the intensity of the field
noun
: a measure of the momentum of an electric particle moving normally across a magnetic field (as in a cyclotron) equal to the product of the radius of curvature by the intensity of the field
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012