transactinide
adjective
trans·ac·ti·nide
| \ tran(t)-ˈsak-tə-ˌnīd
, tran-ˈzak-\
, tran-ˈzak-\
Definition of transactinide
: of, relating to, or being actual or hypothetical elements with atomic weights higher than those of the actinide series
transactinide chemistry
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