πυρόω, -ῶ
(πῦρ) [in LXX chiefly for צָרַף ;]
to set on fire, burn up. In NT always pass.,
__1. to be set on fire, to burn: Eph.6:16, 2Pe.3:12; ptcp., glowing, Rev.1:15. Metaphorical, of grief or indignation, 2Co.11:29; of lust, 1Co.7:9.
__2. Of metals (cf. Job.22:25, Psa.12:7, Zec.13:9), to be refined or purified by fire: Rev.3:18 (and so in RV, Rev.1:15, but see supr.).†
(AS)