Definition of cold start in English:

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cold start


An act of starting an engine or other machine at the ambient temperature: electronic injection control makes cold starts easier
More example sentences
  • This deals with the heavier demands placed on a car in winter conditions, as cold starts plus increased use of heater systems, headlights and rear demisters all take their toll.
  • Enginion says it takes an engine 30 seconds to reach maximum power from a cold start, though the car can drive away before then.
  • After the ready light comes on and before the engine starts, the heated coolant is released into the head, substantially increasing the core temperatures in the head avoiding turn condensation during cold starts.


(cold-start) [with object] Start (an engine or machine) at the ambient temperature: it is possible to cold-start the unit in one hour
More example sentences
  • He cold-started the pulse drives, which was usually a very, very bad idea in a populated area.
  • For short distance travel, the public should be encouraged to walk or go cycling instead of ‘cold-starting’ their vehicles which is highly polluting.

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AAA AL automobile demist drive