molecular weight
molecular weight
nounDefinition of MOLECULAR WEIGHT
: the average mass of a molecule of a compound compared to 1⁄12 the mass of carbon 12 and calculated as the sum of the atomic weights of the constituent atoms
First Known Use of MOLECULAR WEIGHT
1869
Learn More About MOLECULAR WEIGHT
Browse
Next Word in the Dictionary: molecule
Previous Word in the Dictionary: molecular sieve
All Words Near: molecular weight
Previous Word in the Dictionary: molecular sieve
All Words Near: molecular weight
Seen & Heard 
What made you want to look up molecular weight? Please tell us where you read or heard it (including the quote, if possible).






See 

