preheater

English

Etymology

From preheat +‎ -er.

Noun

preheater (plural preheaters)

1. An engineering device that preheats a material prior to some other process.
   • 1961 July, “The Hymek Type 3 diesel locomotive for the Western Region”, in Trains Illustrated, page 437:

     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.

Translations

engineering device

• Finnish: esilämmitin