不ふ凍とう液えきふとうえきFreq.FrequencyTop 100,000Meanings1nounantifreeze; antifreezing solutionTechnical term for a liquid added to water to lower its freezing point, commonly used in car radiators and engines.冬ふゆになる前まえに車くるまの不ふ凍とう液えきを交こう換