Daughter Isotope Definition - Chemistry Glossary

by Anne Marie Helmenstine, Ph.D.
Dr. Helmenstine holds a Ph.D. in biomedical sciences and is a science writer, educator, and consultant. She has taught science courses at the high school, college, and graduate levels.
Updated March 06, 2017

Daughter Isotope Definition: The product which remains after an original isotope has undergone radioactive decay. The original isotope is termed the 'parent'.