transactinide

T1R1A1N1S1A1C3T1I1N1I1D2E1

adjective

Lying beyond lawrencium (the last actinide) in the periodic table; having an atomic number greater than 103.

Similar
transactinoid
OriginEnglish actinide ← Proto-Indo-European *dʰeh₁- ← Ancient Greek ᾰ̓κτῑ́ς (ăktī́s) →
Scrabble 16
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Meanings

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

    Synonyms: transactinoid

nountransactinide (plural transactinides)

plural transactinides

  1. chemistryAny of the artificially produced elements having an atomic number greater than 103.

Synonyms & antonyms

adjectiveLying beyond lawrencium (the last actinide) in the periodic table; having an atomic number greater than 103.

Similar
transactinoid
Also see
transactinoid

Origin

  1. Proto-Indo-European*terh₂-
  2. Proto-Indo-European*térh₂t
  3. Proto-Indo-European*tr̥h₂ónts
  4. Proto-Indo-European*tr̥h₂n̥ts
  5. Proto-Italic*trāns
  6. Proto-Italic*trāns-
  7. Latintrans-
  8. Englishtrans-
  9. Ancient Greekᾰ̓κτῑ́ς (ăktī́s)
  10. Englishactino-
  11. Englishactin-
  12. Proto-Indo-European*dʰeh₁-
  13. Englishactinide
  14. Englishtransactinide

From trans- + actinide.

Full word history & related roots →
Cite this entry
APA

transactinide. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/transactinide

MLA

“transactinide.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/transactinide. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “transactinide,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/transactinide.

Source: transactinide on Wiktionary, CC BY-SA 4.0.