ATOMIC WEIGHT

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 Dictionary entry overview: What does atomic weight mean? 

• ATOMIC WEIGHT (noun)
  The noun ATOMIC WEIGHT has 1 sense:

1. (chemistry) the mass of an atom of a chemical element expressed in atomic mass units

  Familiarity information: ATOMIC WEIGHT used as a noun is very rare.

 Dictionary entry details 

• ATOMIC WEIGHT (noun)

Sense 1

Meaning:

(chemistry) the mass of an atom of a chemical element expressed in atomic mass units

Classified under:

Nouns denoting attributes of people and objects

Synonyms:

atomic mass; atomic weight; relative atomic mass

Hypernyms ("atomic weight" is a kind of...):

mass (the property of a body that causes it to have weight in a gravitational field)

Domain category:

chemical science; chemistry (the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions)

Hyponyms (each of the following is a kind of "atomic weight"):

combining weight; eq; equivalent; equivalent weight (the atomic weight of an element that has the same combining capacity as a given weight of another element; the standard is 8 for oxygen)

meq; milliequivalent (one-thousandth of an equivalent)

 Context examples 

From the mass spectrum produced, the atomic weight of the particle can be deduced.

(Mass Spectrometry, NCI Thesaurus)

An element with atomic symbol O, atomic number 8, and atomic weight 16.

(Oxygen, NCI Thesaurus)

An element with atomic symbol F, atomic number 9, and atomic weight 19.0.

(Fluorine, NCI Thesaurus)

An element with atomic symbol Er, atomic number 68, and atomic weight 167.259.

(Erbium, NCI Thesaurus)

An element with atomic symbol Os, atomic number 76, and atomic weight 190.23.

(Osmium, NCI Thesaurus)

An element with atomic symbol Pd, atomic number 46, and atomic weight 106.42.

(Palladium, NCI Thesaurus)

A metallic element in the boron group with atomic symbol Al, atomic number 13, and atomic weight 27.

(Aluminum, NCI Thesaurus)

An element with atomic symbol Mn, atomic number 25, and atomic weight 54.94.

(Manganese, NCI Thesaurus)

An element with atomic symbol Ni, atomic number 28, and atomic weight 58.69.

(Nickel, NCI Thesaurus)

An element with atomic symbol N, atomic number 7, and atomic weight 14.01.

(Nitrogen, NCI Thesaurus)