. (Aëronautics) The angle between the chord of an aërocurve and the relative direction of the undisturbed air current. [ Webster 1913 Suppl. ]
n. [ Cf. F. coïncidence. ]
The very concurrence and coincidence of so many evidences . . . carries a great weight. Sir M. Hale. [ 1913 Webster ]
Those who discourse . . . of the nature of truth . . . affirm a perfect coincidence between truth and goodness. South. [ 1913 Webster ]
n. [ Cf. F. incidence. ] [ 1913 Webster ]
In equal incidences there is a considerable inequality of refractions. Sir I. Newton. [ 1913 Webster ]
Angle of incidence,
Line of incidence,
n. The quality of being incoincident; lack of coincidence. [ R. ] [ 1913 Webster ]
n. Lack of coincidence. [ 1913 Webster ]