Glossary

decimal fraction – a fraction turned into a number by dividing the top part by the bottom part. For example, the decimal fraction for 3/5 is 0.6.

chorionic villus sampling – test in which cells around an embryo are removed and examined to detect genetic abnormalities.

interaction – when two drugs react to increase or decrease one or both drugs, often in ways that are unexpected or potentially harmful.

malignant – dangerous. A malignant cancer is a dangerous cancer that is growing.

neonate – a baby that is 0 to 28 days old.