1. radioactivity

noun. ['ˈreɪdiːoʊˌækˌtɪvəˌtiː, ˌreɪdiːoʊˌækˈtɪvəˌtiː'] the spontaneous emission of a stream of particles or electromagnetic rays in nuclear decay.

Rhymes with Radioactivity

• superconductivity
• insensitivity
• progressivity
• productivity
• exclusivity
• conductivity
• selectivity
• relativity
• reactivity
• proclivity
• negativity
• creativity
• festivity
• captivity
• nativity

Sentences with radioactivity

1. Noun, singular or mass
Granite is known to emit radioactivity in the form of radon in some cases.