1. not radioactive; not emitting radiation or undergoing radioactive decay
Usage: technical/scientific term; commonly used in chemistry and physics contexts

Examples

• Carbon-12 is a nonradioactive isotope of carbon.
• The laboratory uses nonradioactive tracers in medical research.
• Most elements have at least one nonradioactive form.
• Nonradioactive waste can be disposed of more easily than radioactive waste.
• Scientists prefer nonradioactive materials when possible for safety reasons.