Word.ws English Dictionary

argon-40

argon-40 noun: the major stable isotope of argon, 4018Ar, having eighteen protons and twenty-two neutrons; it amounts to about 99.6% of the element in nature.

Noun

argon-40 (uncountable)

  1. The major stable isotope of argon, 4018Ar, having eighteen protons and twenty-two neutrons; it amounts to about 99.6% of the element in nature

Questions about argon-40

What does argon-40 mean?
Argon-40 means the major stable isotope of argon, 4018Ar, having eighteen protons and twenty-two neutrons; it amounts to about 99.6% of the element in nature.
What part of speech is argon-40?
Argon-40 is a noun.

Words near argon-40 in the dictionary

  1. argols
  2. argon
  3. argon fluorohydride
  4. argon-36
  5. argon-38
  6. argon-40
  7. argonated
  8. argonaut
  9. argonaute
  10. argonautes
  11. argonautic

Source and license

Adapted from Wiktionary: argon-40 (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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