TRANSACTINIDE
transactinide
(adjective) of or belonging to the elements with atomic numbers greater than 103
transactinide
(noun) any of the artificially produced elements with atomic numbers greater than 103
Source: WordNet® 3.1
Etymology
Adjective
transactinide (not comparable)
(chemistry, physics) Lying beyond actinium in the periodic table; having an atomic number greater than 103.
Coordinate terms
• transuranic
Noun
transactinide (plural transactinides)
(chemistry, physics) Any of the artificially produced elements having an atomic number greater than 103.
Source: Wiktionary
Recent Word Finds
Word of the Day
29 June 2025
ADMIRABLE
(adjective) deserving of the highest esteem or admiration; āan estimable young professorā; ātrains ran with admirable precisionā; āhis taste was impeccable, his health admirableā
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