follow Dictionary.com

Denotation vs. Connotation

active mass

noun, Chemistry
1.
the effective concentration of a substance.
Origin of active mass
1905-1910
1905-10
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the Web for active mass
Historical Examples

Word of the Day

Difficulty index for active mass

Few English speakers likely know this word

Word Value for active

11
13
Scrabble Words With Friends