meitnerium

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Definition

Noun: A synthetic, radioactive chemical element with the symbol Mt and atomic number 109. It is a transuranic element, meaning its atomic number is higher than that of uranium (92), and it is produced artificially in particle accelerators.

Usage

"Meitnerium" is used exclusively as a noun to refer to this specific chemical element. It is primarily used in scientific contexts, such as chemistry and nuclear physics.

Examples
  • The discovery of meitnerium was officially recognized in 1997.
  • Scientists produced only a few atoms of meitnerium during the experiment.
  • Due to its extreme instability, the properties of meitnerium are difficult to study.
Advanced Usage
  • The element is named in honor of the physicist Lise Meitner.
  • In the periodic table, meitnerium is located in group 9, period 7, and is part of the d-block elements.
Variants and Related Words
  • Symbol: Mt (The chemical symbol for meitnerium).
  • Transuranic element: A category of elements that includes meitnerium, all with atomic numbers greater than 92.
Synonyms
  • Element 109: A systematic name based on its atomic number.
  • Unnilennium (Une): A temporary systematic name from the IUPAC nomenclature, now obsolete.
Notes on Meaning

This word has only one specific meaning: the chemical element with atomic number 109. There are no idioms, phrasal verbs, or alternative definitions associated with it.

Noun
  1. a radioactive transuranic element

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