Preheater

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 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."

Synonyms

All synonyms
heaterradiator

Example

More examples

"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."

Etymology

From preheat + -er.

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