noun🔗ShareFormalinaA solution of formaldehyde in water; used as a disinfectant and to preserve biological specimens."The science teacher carefully placed the frog into a jar of formalin to preserve it for future study. "El profesor de ciencias colocó cuidadosamente la rana en un frasco de formalina para preservarla para futuros estudios.medicinesubstancechemistrybiologyChat with AIVocabulary GamePractice Reading
