preheater

P3R1E1H4E1A1T1E1R1

noun

An engineering device that preheats a material prior to some other process.

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Meanings

nounpreheater (plural preheaters)

plural preheaters

  1. An engineering device that preheats a material prior to some other process.

    A Stone-Vapor "Watchman" oil-fired preheater raises the cooling water temperature to an optimum figure before the high-speed engine is started and thus minimises engine wear.

    1961 July, “The Hymek Type 3 diesel locomotive for the Western Region”, in Trains Illustrated, page 437

Origin

From preheat + -er.

Full word history & related roots →

Translations

Finnish esilämmitin
  • esilämmitinengineering device
Cite this entry
APA

preheater. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/preheater

MLA

“preheater.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/preheater. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “preheater,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/preheater.

Source: preheater on Wiktionary, CC BY-SA 4.0.