metalithium

meta·lith·i·um
M3E1T1A1L1I1T1H4I1U1M3

noun

A heavy isotope of the simplest alkali metal, (symbol Li) with an atomic number of 3 and containing 8 neutrons. Metalithium is an artificial isotope produced by bombarding Lithium 7 with neutrons. It is radioactive, with a half-life of 0.84 seconds.

OriginEnglish lithium ← Ancient Greek μετᾰ- (metă-) →
Scrabble 18
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Meanings

nounmetalithium (uncountable)
  1. uncountableA heavy isotope of the simplest alkali metal, (symbol Li) with an atomic number of 3 and containing 8 neutrons. Metalithium is an artificial isotope produced by bombarding Lithium 7 with neutrons. It is radioactive, with a half-life of 0.84 seconds.

Origin

  1. Ancient Greekμετᾰ́ (metắ)
  2. Ancient Greekμετᾰ- (metă-)
  3. Englishmeta-
  4. Englishlithium
  5. Englishmetalithium

From meta- + lithium.

Full word history & related roots →
Cite this entry
APA

metalithium. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/metalithium

MLA

“metalithium.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/metalithium. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “metalithium,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/metalithium.

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