verb🔗ShareTo multiply by four."Quadrupling four gives sixteen."mathnumberChat with AIVocabulary GamePractice Reading
verb🔗ShareTo increase by a factor of four."Our profits quadrupled when we made the improvements."numbermathamountChat with AIVocabulary GamePractice Reading
verb🔗ShareTo provide four parallel running lines on a given stretch of railway."The railway company plans to quadruple the tracks between the two major cities to increase train capacity and reduce delays. "technicalindustrymachinetrafficvehicleChat with AIVocabulary GamePractice Reading
adjective🔗ShareBeing four times as long, as big or as many of something."The company's profits are now quadruple what they were last year. "numberamountmathChat with AIVocabulary GamePractice Reading