ēruptĭo, ōnis, f. [erumpo, II.], a breaking out, bursting forth.
I Lit.
A In gen.: (elephanti) universi eruptionem tentavere, Plin. 8, 7, 7, § 21; 16, 10, 19, § 45; 18, 17, 44, § 150 al.—In plur., Plin. 24, 15, 86, § 136.—
B In partic.
1 In milit. lang., a sally : ex oppido eruptionem fecerunt, Caes. B. G. 2, 33, 2; 3, 3, 3; 3, 5, 2; 3, 6, 1 et saep.—
2 In medic. lang., concr., a breaking out , eruption of morbid matter, Plin. 23 prooem. 5, § 8; 24, 9, 38, § 63; 20, 7, 26, § 67; 20, 8, 27, § 71; 26, 11, 73, § 120; 28, 6, 18, § 66.—
3 Of a volcano, an eruption : Aetnaeorum ignium, Cic. N. D. 2, 38, 96.—
4 Of plants, the putting forth , sprouting : semen prima eruptione agnoscitur, Plin. 18, 17, 44, § 150.—
II Trop.: vitiorum, Sen. Clem. 1, 2, 2.