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teratogen

te·rat·o·gen [ tə ráttəjən, térrətəjən ] (plural te·rat·o·gens)

noun

Definition:

agent affecting embryo or fetus: an agent that interrupts or alters the normal development of a fetus, with results that are evident at birth, e.g. a chemical, virus, or ionizing radiation

ter·a·to·gen·e·sis [ tèrrətə jénnəssiss ] noun

ter·a·to·gen·ic [ tèrrətə jénnik ] adjective

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