释义 |
cor·nu spiral \(ˈ)kȯr|n(y)ü-\ noun Usage: usually capitalized C Etymology: after Marie Alfred Cornu died 1902 French physicist : a spiral of two oppositely coiled branches obtained by plotting as abscissas and ordinates respectively the corresponding values of a certain two integrals and used to afford graphical solution of various problems in diffraction of light |