[2186] radiātio, ōnis, f. (radio), das Strahlen, der Glanz, tanta marmoris radiatio est, Plin. 36, 32: quantacumque stellarum radiatio, Firm. math. 1, 4; vgl. ibid. 2, 22. no. 2; 5, 3. no. 1. – Plur., augustissimae lucis radiationes, die Strahlen, Arnob. 6, 24: lascivae Veneris (stellae) radiationes, Firm. math. 1, 1: lunae radiationes, ibid. 5, 3, 1.