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atomic weight

a·tom·ic weight
A a

Transcription

    • US Pronunciation
    • US IPA
    • UK Pronunciation
    • UK IPA
    • [uh-tom-ik weyt]
    • /əˈtɒm ɪk weɪt/
    • /əˈtɒm.ɪk weɪt/
    • US Pronunciation
    • US IPA
    • [uh-tom-ik weyt]
    • /əˈtɒm ɪk weɪt/

Definitions of atomic weight words

  • noun atomic weight the weight of one atom of an element expressed in atomic mass units: it is the average weight of all the isotopes of the element 3
  • noun atomic weight the average weight of an atom of an element, formerly based on the weight of one hydrogen atom taken as a unit or on 1/16 (0.0625) the weight of an oxygen atom, but after 1961 based on 1/12 the weight of the carbon-12 atom. Abbreviation: at. wt. 1
  • noun atomic weight Former term for the more specific relative atomic mass. 0
  • noun atomic weight A term used to represent the mean relative atomic mass of an element in nature, as distinct from the relative atomic mass of a single isotope. 0
See all 4 definitions of atomic weight

Information block about the term

Origin of atomic weight

First appearance:

before 1820
One of the 38% newest English words
First recorded in 1820-30

Historical Comparancy

Parts of speech for Atomic weight

noun
adjective
verb
adverb
pronoun
preposition
conjunction
determiner
exclamation
Full grammatical hierarchy of Atomic weight

atomic weight popularity

This term is known only to a narrow circle of people with rare knowledge. Only 5% of English native speakers know the meaning of this word.
According to our data most of word are more popular. This word is almost not used. It has a much more popular synonym.

atomic weight usage trend in Literature

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Synonyms for atomic weight

noun atomic weight

  • atomic mass — the mass of an isotope of an element in atomic mass units
  • atomic number — the number of protons in the nucleus of an atom of an element
  • atomic volume — the atomic weight (relative atomic mass) of an element divided by its density
All 4 Synonyms of atomic weight

See also

Matching words

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