diffūsĭo: ōnis, f. diffundo.I The spreading out, extending: maris, Mart. Cap. 6, § 661.—II Cheerfulness: animi, Sen. Vit. Beat. 5, 1.
diffūsĭō,¹⁶ ōnis, f. (diffundo), action de répandre, débordement : Capel. 6, 661