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Glite Dictionary
preheater

preheater

1 5.9
A machine that warms fuel or liquid before it goes into a process
  • noun
  • /ˈpriˌhiːtər/
  • Specialized
: precalentador
  • In cold weather, the preheater ensures that the engine receives warm air to improve combustion.
  • air preheater

Examples

  • PHOTO (BLACK & WHITE): Convective/conductive preheater

    Academic text (1996)

  • The preheater has been designed for a uniform distribution of reinforcement fibers throughout a part.

    Academic text (1997)

  • Circle 201 on Reader Service Card: Convective/conductive preheater

    Academic text (1996)

  • He has contributed to the ASME Historic Landmark nomination submitted by the San Antonio Section for the Ljungstrom air preheater in Stockholm.

    Academic text (1996)

  • Krumm has developed compact heat exchangers for nuclear submarines, including a tension-cover basket for Ljungstrom H-type air preheaters.

    Academic text (1996)

  • The engineer installed a preheater to warm the fluid before it entered the boiler system.

  • A preheater can significantly enhance energy efficiency in heating systems by raising the temperature of incoming fluids.

Synonyms

warmer
vspreheater
14 3.2

A machine that heats and keeps water, food, or a room hot

heats fluids specifically before they enter a process, not for general warming
immersion heater
vspreheater
1 5.1

A device you put directly in water to heat it

heats fluid before entering a process rather than inside a storage container
superheater
vspreheater
  • Specialized
1 8.9

A machine that heats steam to make it hotter and drier in boilers or steam engines

heats material or fluid before a process, not specifically superheating steam

Antonyms

cooler
  • US
96 2.0

A box or small machine that keeps food and drinks cold

How Hot

furnace
94 4.1
boiler
  • Specialized
66 3.4
preheater
  • Specialized
1 5.9
heater
111 1.0
warmer
14 3.2

Surface Forms

preheater singular
preheaters plural

Morphology

preheater = preheat (transparent) = pre + heat + er

The noun clearly means a device or thing that performs the action of 'preheat'.

Etymology

The word preheater is built from pre- meaning 'before' and heat meaning 'to make warm', just like when you preheat an oven. So, a preheater is a machine that heats something 'before' it goes into a process, helping the system work better.