evaporator

/ɪˈvæpəˌreɪtər/
noun
  1. A device or part of a system that turns a liquid into vapor, often used in refrigeration, air conditioning, or industrial processes.
    • The air conditioner's evaporator coil can freeze if airflow is blocked.
    • The refrigerator's evaporator absorbs heat from the inside to keep food cold.
    • In the chemical plant, the evaporator concentrates the solution by removing water.
Antonyms
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