noun🔗ShareA polycyclic compound."The lab analyzed the soil sample for the presence of polycyclic compounds, which can be harmful pollutants. "compoundchemistryChat with AIVocabulary GamePractice Reading
adjective🔗ShareInvolving more than one cycle."The textbook explained how polycyclic aromatic hydrocarbons, formed during the incomplete burning of fuel, can be harmful pollutants. "chemistrycompoundstructureChat with AIVocabulary GamePractice Reading
adjective🔗ShareHaving two or more rings of atoms in the molecule."The chemistry textbook explained that naphthalene, a common ingredient in mothballs, is a polycyclic aromatic hydrocarbon, meaning its molecules contain two fused rings of carbon atoms. "chemistrycompoundChat with AIVocabulary GamePractice Reading