fervor (noun M) : ferveo
* A boiling or raging heat, a violent heat, a raging, boiling, fermenting (class.; syn.: ardor, tepor, calor, aestus).
* Lit.: pollens fervore corusco,Lucr. 6, 237; cf. id. 6, 856: mundi ille fervor purior, perlucidior mobiliorque multo quam hic noster calor,Cic. N. D. 2, 11, 30: accepit calido febrim fervore coörtam,Lucr. 6, 656: febris,Plin. 31, 9, 45, § 104; cf.: caput incensum fervore gerebant,a raging heat, fever heat,Lucr. 6, 1145; Plin. 14, 20, 25, § 124: vis venti fervorem mirum concinnat in undis,Lucr. 6, 437; Luc. 4, 461.—In plur.: solis,Lucr. 5, 215; cf. ib. 605; 611: medii,i. e. noontide heat,Verg. G. 3, 154: capitis,Plin. 15, 4, 5, § 19.
* Trop., heat, vehemence, ardor, passion: cum hic fervor concitatioque animi inveteraverit,Cic. Tusc. 4, 10, 24; cf.: fervor mentis,id. de Or. 1, 51, 220: pectoris,Hor. C. 1, 16, 24: erat quidam fervor aetatis,Cic. de Sen. 13, 45: fervore carentes anni (i. e. senectus),Sil. 7, 25: ut semel icto Accessit fervor capiti,i. e. intoxication,Hor. S. 2, 1, 25: maris, an excited, i. e. disturbed, unsafe condition of the sea (caused by pirates), Cic. Prov. Cons. 12, 31.—In plur.: pro vitiorum fervoribus,Gell. 20, 1, 22.

s. TLL