adj, noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   Any of the artificially produced elements having an atomic number greater than 103.
2. 2
   any of the artificially produced elements with atomic numbers greater than 103 wordnet

Adjective

1. 1
   Lying beyond lawrencium (the last actinide) in the periodic table; having an atomic number greater than 103. not-comparable

Adjective

1. 1
   of or belonging to the elements with atomic numbers greater than 103 wordnet

Synonyms

All synonyms

transactinoidtranslawrenciumtransuranic

Etymology

From trans- + actinide.

Related phrases

atomic numberperiodic table

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.