relative molecular mass

Also found in: Thesaurus, Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.

relative molecular mass

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

relative molecular mass

(Chemistry) 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-12. Symbol: Mr Abbreviation: r.m.m. Former name: molecular weight

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

ThesaurusAntonymsRelated WordsSynonymsLegend:

Switch to new thesaurus

Noun

relative molecular mass - (chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule

molecular weight

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

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

Mentioned in ?

References in periodicals archive ?

(2) HPAM, relative molecular mass 12 million, Karamay Xinke chemical (Group) Co., Ltd.; the degree of hydrolysis is 22.3%.

Performance Evaluation of STARPAM Polymer and Application in High Temperature and Salinity Reservoir

The relative molecular mass of naphthane is 138 and the compounds with the characteristic ions of M/Z:152, 166, 180, 194, 208, and 222 aremethyl-, dimethyl, trimethyl-, tetramethyl-, pentamethyl-, and hexamethylnaphthane, respectively.

Formation and identification of unresolved complex mixtures in Lacustrine biodegraded oil from Nanxiang Basin, China

(25) has reported that relative peak area of melting peaks at higher temperature increased along with isotacticity or relative molecular mass of PP and PP with higher relative molecular mass or higher isotacticity had longer crystallizable propylene sequence and formed thicker lamella.

Influence of low molecular weight tail of polypropylene resin on the pore structure by room-temperature stretching

The trypsins isolated from the midgut of various insects typically exhibit relative molecular mass (Mr) from 20,000 to 35,000 and alkaline pH optima (TERRA; FERREIRA, 1994).

Purification of a membrane-bound trypsin-like enzyme from the gut of the velvetbean caterpillar (Anticarsia gemmatalis Hubner)/Purificacao de uma enzima "tipo tripsina" nao-soluvel do intestino da lagarta da soja (Anticarsia gemmatalis Hubner)