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Greek noun (feminine) · G4451

πύρωσις

pyrosispoo'-ro-sis

a burning; a refining or trial by fire

3 uses in the Greek text, one for each word STEP Bible has tagged with this key

Concordance spelling: pýrōsis

Word page · Part of the concordance, one page for every word of the Hebrew and Greek text. Strong's G4451is this word's number in James Strong's 1890 index of the King James Bible.

  • 2 of 27
    New Testament books
  • 2
    spellings
  • 2
    meanings

The definition in full

Strong's key (1890) · G4451

ignition, i.e. (specially), smelting (figuratively, conflagration, calamity as a test)

The King James renders it: burning, trial.

James Strong, The Exhaustive Concordance of the Bible (1890), public domain. Strong indexed the King James text, and this site quotes his entry as that index.

Summary

pyrosis is rendered "a burning; a refining or trial by fire". It stands 3 times in the Greek text, across two books.

  • Two of the uses stand in Revelation, more than in any other book.
  • The lexicon lists two meanings for it, beginning with "a burning".
  • Its first use in canonical order opens the ledger below.1 Peter 4:12Beloved, do not be surprised at the fiery trial that has come upon you, as though something strange were happening to you.
  • The Greek text spells it two different ways.

The first use

Beloved, do not be surprised at the fiery trial that has come upon you, as though something strange were happening to you.

1 Peter 4:12πυρώσει

The first use, in the order of the New Testament's books.

Where the word stands

Two of the word's three uses are in Revelation.

The other 25 New Testament books never use the word.

What the word means

The lexicons give this word two senses, and a verse uses one of them at a time: a burning, and a refining or trial by fire.

Each meaning, and the words it is translated by

The English STEP Bible gives each use, word by word, and how many times.
a burningRev.18:9, 18.Tagged as
  • burning2
WhereRevelation 18:9Then the kings of the earth who committed sexual immorality and lived in luxury with her will…
a refining or trial by firemetaphorically, 1Pe.4:12.† (AS)Tagged as
  • fire1
Where1 Peter 4:12Beloved, do not be surprised at the fiery trial that has come upon you…

The words built on the same word-part

Each word below begins with the same letters this one begins with. A shared word-part shows a family. It does not settle what any one of them means, so each word carries its own uses on its own page. Scholars call that shared part the stem.

All 3, in canonical order

Every use, in order

Every use, grouped by book, with its verse.

2 spellings and their grammar

STEP Bible tags every word of the Hebrew and Greek text with its spelling and its grammar. Both lists below count the rows printed underneath, written out in English, with the code beside each one as it was tagged.

How it is spelled

  • πυρώσεως2
  • πυρώσει1

The grammar of each form

  • noun · genitive (“of”) · feminine singular2N-GSF
  • noun · dative (“to / for”) · feminine singular1N-DSF

1 Peter

one use
  • Beloved, do not be surprised at the fiery trial that has come upon you, as though something strange were happening to you.

    1 Peter 4:12

    • πυρώσειpuroseinoun · dative (“to / for”) · feminine singulartagged: fire

Revelation

two uses
  • Then the kings of the earth who committed sexual immorality and lived in luxury with her will weep and wail at the sight of the smoke rising from the fire that consumes her.

    Revelation 18:9

    • πυρώσεωςpuroseosnoun · genitive (“of”) · feminine singulartagged: burning
  • and cry out at the sight of the smoke rising from the fire that consumes her. “What city was ever like this great city?” they will exclaim.

    Revelation 18:18

    • πυρώσεωςpuroseosnoun · genitive (“of”) · feminine singulartagged: burning

Where it leads

How the numbers are counted

Every count on this page comes from STEP Bible's tagged Hebrew and Greek text, the same text the ledger prints. A use is counted once each time the tagging marks a word with this key.

Spellings are counted as the Greek text spells them, with the sentence's own punctuation taken off the word first, so a form that ends a clause is not counted as a second spelling.

Hebrew and Greek text, word tagging and grammar: STEP Bible (www.STEPBible.org), Tyndale House, CC BY 4.0. Their grammar codes are written out in English here and shown as tagged beside each one.

Meaning and senses: STEP Bible TBESG (Tyndale House, CC BY 4.0), the Brief lexicon based on Abbott-Smith (1922).

Dictionary key: Strong's Exhaustive Concordance of the Bible (1890, public domain). English verse text: Berean Standard Bible (public domain, 2023).

Revised 2026-09-05. Every cited work, the sources registry →