Concentration
Concentration noun - A focusing of the mind on something.
Mass is a synonym for concentration in collection topic. In some cases you can use "Mass" instead a noun "Concentration", when it comes to topics like gathering, aggregation, convergence.
Mass
Mass noun - A considerable amount.
Concentration is a synonym for mass in collection topic. You can use "Concentration" instead a noun "Mass".
Mutual synonyms
Related pairs
How words are described
Both words in one sentence
- In Timeline-191 by Harry Turtledove, the Confederacy uses "population reduction" to refer to the mass killing of black Africans, especially those contained in concentration camps.
Source: Deadly Euphemism -
Mussolini's troops are seen committing horrendous atrocities (mass shootings, poison gas, concentration camps) against Libyan insurgents in the 1920s.
Source: Useful Notes / Fascist Italy - The primary reason that blacks rarely resist the mass murder is because they are told that it is merely a transit camp, and that they are sorted from there to other concentration camps.
Source: Released to Elsewhere
Cite this Source
Mass and Concentration. (2016). Retrieved 2026, August 16, from https://thesaurus.plus/related/concentration/mass
Concentration & Mass. N.p., 2016. Web. 16 Aug. 2026. <https://thesaurus.plus/related/concentration/mass>.
Mass or Concentration. 2016. Accessed August 16, 2026. https://thesaurus.plus/related/concentration/mass.
Google Ngram Viewer shows how "concentration" and "mass" have occurred on timeline