ra·di·o·i·so·tope 
(rā′dē-ō-īsə-tōp′)
(rā′dē-ō-īsə-tōp′)n.
A naturally or artificially produced radioactive isotope of an element.
- calcium hydroxide
- calcium hypochlorite
- calcium light
- calcium nitrate
- calcium oxide
- calcium phosphate
- calcspar
- calc-spar
- calc-tufa
- calc-tuff
- calculability
- calculable
- calculate
- calculated
- calculatedly
- calculating
- calculatingly
- calculation
- calculative
- calculative
- calculator
- calculous
- calculus
- calculus of variations
- Calcutta