noun🔗Share(often in combination) Something that serves to retard (slow down) the action of something"The firefighter sprayed a chemical retardant on the dry grass to slow the spread of the wildfire. "materialsubstancechemistryscienceChat with AIVocabulary GamePractice Reading
adjective🔗Share(often in combination) Serving to retard (slow down) the action of something"The fire was spreading quickly, but the retardant spray helped slow it down. "materialsubstancechemistryphysicssciencetechnicalChat with AIVocabulary GamePractice Reading
