relative molecular mass

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noun

the sum of all the relative atomic masses of the atoms in a molecule; the ratio of the average mass per molecule of a specified isotopic composition of a substance to one-twelfth the mass of an atom of carbon-12Symbol: M r Abbreviation: r.m.m. Former name: molecular weight

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Words nearby relative molecular mass

relatively, relatively prime numbers, relative major, relative majority, relative minor, relative molecular mass, relativeness, relative permeability, relative permittivity, relative pitch, relative polycythemia

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example sentences from the Web for relative molecular mass

Their bodies were later found incinerated and buried in mass graves outside of town.
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Beyond the huge American flag that hung over the street, the mile-long mass of cops ended.
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But relative to centuries past, America is a marvel of domestic tranquility.
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“The United States had gone to war declaring it must destroy an active weapons of mass destruction program,” the Times reported.
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Google itself has taken a break and put plans for mass production on hold.
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Charred beams and blackened walls showed stark and gaunt in the glow of a smoldering mass of wreckage.
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But hitherto, before these new ideas began to spread in our community, the mass of men and women definitely settled down.
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But I suppose, as he is my nearest relative, it is but natural he should be anxious about my health.
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This had been quite genuine, for the Professor had been fond of his relative, who had always been very good to him.
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The Turks were no longer in mass but extended in several lines, less than a pace between each man.
Gallipoli Diary, Volume I|Ian Hamilton