mass

noun
/mæs/

Matter, material.

Other meanings

A quantity of matter cohering so as to make one body, or an aggregation of particles or things which collectively make one body or quantity, usually of considerable size.
A measure of the inertia of a mass of matter, one of four fundamental properties of matter. SI unit of mass: kilogram.

A kind of

body

Kinds of mass

drift
mat
pulp

Example sentences

“We're at the beginning of a global mass extinction event.”
Tatoeba · shekitten · CC0

Word history

From Ancient Greek "μᾶζα" (barley-cake, lump (of dough)).

Where this comes from

This definition is adapted from “mass” on Wiktionary, by its contributors; example sentences are from Tatoeba, credited to their authors above; related-word lists use Open English WordNet (CC BY 4.0, based on Princeton WordNet), published under CC BY-SA 4.0. This page is published under the same licence.