1. A radioactive element of the alkali-metal group discovered as a disintegration product of actinium
   - francium, Fr

Type of: metal, metallic element

• nondescript
• nondevelopment
• nondigestible
• nondirectional antenna
• nondiscretionary trust
• nondisjunction
• nondisposable
• nondrinker
• nondriver
• none
• nonechoic
• noneffective
• noneffervescent
• nonelastic
• nonelected
• nonelective
• nonelectric
• nonelectrical
• nonenterprising
• nonentity
• nonenzymatic
• nonequivalence
• nonequivalent
• nones
• nonessential