relative atomic mass

noun
(chemistry) the mass of an atom of a chemical element expressed in atomic mass units
Syn: ↑atomic mass, ↑atomic weight
Topics: ↑chemistry, ↑chemical science
Hypernyms: ↑mass
Hyponyms: ↑equivalent, ↑equivalent weight, ↑combining weight, ↑eq, ↑milliequivalent, ↑meq

* * *

ˌrelative atomic ˈmass 7 [relative atomic mass] (also aˌtomic ˈmass, aˌtomic ˈweight) noun (chemistry)
the average ↑mass of all the naturally occurring atoms of a chemical element
See also:atomic mass atomic weight

Useful english dictionary. 2012.

Look at other dictionaries:

  • relative atomic mass — ► NOUN ▪ the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon 12 …   English terms dictionary

  • relative atomic mass — UK / US noun [countable] Word forms relative atomic mass : singular relative atomic mass plural relative atomic masses chemistry the mass of an atom of a particular chemical element …   English dictionary

  • relative atomic mass — santykinė atominė masė statusas T sritis Standartizacija ir metrologija apibrėžtis Cheminio elemento vidutinės masės ir nuklido ¹²C atomo masės 1/12 dalies dalmuo. atitikmenys: angl. atomic mass; atomic weight; relative atomic mass vok. Atommasse …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • relative atomic mass — santykinė atominė masė statusas T sritis Standartizacija ir metrologija apibrėžtis Vidutinės elemento atomų masės ir 1/12 nuklido ¹²C atomo masės dalmuo. atitikmenys: angl. atomic mass; atomic weight; relative atomic mass vok. Atommasse, f;… …   Penkiakalbis aiškinamasis metrologijos terminų žodynas

  • relative atomic mass — santykinė atominė masė statusas T sritis chemija apibrėžtis Vidutinės elemento atomų masės ir 1/12 nuklido ¹²C atomo masės santykis. atitikmenys: angl. atomic mass; atomic weight; relative atomic mass rus. атомная масса; атомный вес;… …   Chemijos terminų aiškinamasis žodynas

  • relative atomic mass — noun the average mass of the atoms of an element in its naturally occurring state, relative to the mass of an atom of the carbon 12 isotope taken as exactly 12. Compare atomic mass. Also, atomic weight …   Australian English dictionary

  • relative atomic mass — (ram) Mass of atoms of an element formerly in atomic weight units but now more correctly given on the unified scale where 1 u is 1.660 x 10 27kg, where u is the atomic mass unit. For natural elements with more than one isotope, it is the average… …   Dictionary of automotive terms

  • relative atomic mass — noun ratio of the atomic mass of one atom of an isotope to 1/12 (one twelfth) the mass of a Carbon 12 atom …   Wiktionary

  • relative atomic mass — noun Chemistry the ratio of the average mass of one atom of an element to one twelfth of the mass of an atom of carbon 12 …   English new terms dictionary

  • relative molecular mass — noun (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule • Syn: ↑molecular weight • Topics: ↑chemistry, ↑chemical science • Hypernyms: ↑mass * * * …   Useful english dictionary

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