ad. compare (used in texts to point the reader to another location in the text)n. a radioactive transuranic element; discovered by bombarding curium with alpha particlesn. the most common congenital disease; the child's lungs and intestines and pancreas become clogged with thick mucus; caused by defect in a single gene; no cure is knownad. compare (used in texts to point the reader to another location in the text)