Transactinide Definition
trăn-săktə-nīd, -zăk-
adjective
Of or belonging to the series of elements whose atomic numbers are greater than 103.
American Heritage
noun
Any of the radioactive chemical elements that have atomic numbers higher than that of the highest actinide (lawrencium)
Webster's New World
Other Word Forms of Transactinide
Noun
Singular:
transactinide
Plural:
transactinidesOrigin of Transactinide
-
trans- +"Ž actinide
From Wiktionary
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