multinuclear
adjective
mul·ti·nu·cle·ar
| \ ˌməl-tē-ˈnü-klē-ər
, -ˌtī-, -ˈnyü-, nonstandard -kyə-lər\
, -ˌtī-, -ˈnyü-, nonstandard -kyə-lər\
Definition of multinuclear
1
: multinucleated
especially
: having or involving more than two atomic nuclei
… we had two NMR spectrometers available for a large number of students to use for their research. One was set up for multinuclear spectra … . — Sheri Blystone
2
: having multiple world powers armed with nuclear weapons
It was the frightening prospect of a multinuclear world as much as the older Arab-Israeli confrontation that propelled American policy on the Middle East.— William Hyland