Firetube

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A tube conveying hot gas in a boiler.

    "In a conventional boiler, the hot gases from the firebox, after passing through the firetubes, arrive in the smokebox and then pass up the chimney to atmosphere."

Example

More examples

"In a conventional boiler, the hot gases from the firebox, after passing through the firetubes, arrive in the smokebox and then pass up the chimney to atmosphere."

Etymology

From fire + tube.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.