Strong's #4451: purosis (pronounced poo'-ro-sis)

from 4448; ignition, i.e. (specially), smelting (figuratively, conflagration, calamity as a test):--burning, trial.

Thayer's Greek Lexicon:

́

purōsis

1) a burning

1a) the burning by which metals are roasted and reduced

1b) by a figure drawn from a refiners fire

1b1) calamities or trials that test the character

Part of Speech: noun feminine

Relation: from G4448

Citing in TDNT: 6:950, 975

Usage:

This word is used 3 times:

 

1 Peter 4:12: "Beloved, think it not strange concerning the fiery trial which is"
Revelation 18:9: "the smoke of her burning,"
Revelation 18:18: "the smoke of her burning, saying, What city is like unto this great"