1. One of two or more atoms with the same atomic number but with different numbers of neutrons

Derived forms: isotopes

See also: isotopic

Type of: atom

Encyclopedia: Isotope

• immature
• immaturely
• immatureness
• immaturity
• immeasurable
• immeasurably
• immediacy
• immediate
• immediate allergy
• immediate apprehension
• immediate constituent
• immediate memory
• immediate payment
• immediately
• immediateness
• immemorable
• immemorial
• immemorially
• immense
• immensely
• immenseness
• immensity
• immensurable
• immensurate
• immerge