noun
any of the artificially produced elements with atomic numbers greater than 103
• Hypernyms: ↑chemical element, ↑element
adjective
of or belonging to the elements with atomic numbers greater than 103
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/trans ak"teuh nuyd', tranz-/, adj. Chem.
noting or pertaining to elements having higher atomic weights than those of the actinide series.
[1965-70; TRANS- + ACTINIDE]
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transactinide /tranz-akˈti-nīd/ (chem)
adjective
Of or relating to elements with atomic numbers higher than the actinide series
noun
Such an element
ORIGIN: ↑trans-
Useful english dictionary. 2012.