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Definition of "mass" []

  • A unified body of matter with no specific shape: a mass of clay. (noun)
  • A grouping of individual parts or elements that compose a unified body of unspecified size or quantity: "Take mankind in mass, and for the most part, they seem a mob of unnecessary duplicates” ( Herman Melville). (noun)
  • A large but nonspecific amount or number: a mass of bruises. (noun)
  • A lump or aggregate of coherent material: a cancerous mass. (noun)
  • The principal part; the majority: the mass of the continent. (noun)
  • A large coherent body of matter without a definite shape (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • A collection of the component parts of something (noun)
  • A large amount or number, such as a great body of people (noun)
  • The main part or majority (noun)
  • The size of a body; bulk (noun)
  • A physical quantity expressing the amount of matter in a body. It is a measure of a body's resistance to changes in velocity (inertial mass) and also of the force experienced in a gravitational field (gravitational mass): according to the theory of relativity, inertial and gravitational masses are equal (noun)
  • (in painting, drawing, etc) an area of unified colour, shade, or intensity, usually denoting a solid form or plane (noun)
  • A pastelike composition of drugs from which pills are made (noun)
  • An irregular deposit of ore not occurring in veins (noun)
  • Done or occurring on a large scale (modifier)
  • Consisting of a mass or large number, esp of people (modifier)
  • To form (people or things) or (of people or things) to join together into a mass (verb)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "mass" in a sentence
  • "(Force) = (gravitational mass) × (intensity of the gravitational field), where the “gravitational mass” is likewise a characteristic constant for the body."
  • "(Force) = (inertial mass) × (acceleration), where the “inertial mass” is a characteristic constant of the accelerated body."
  • "The epiglottis is derived from the “central mass, ” and has a third arch element in its oral and upper aspect; the arch value of the “central mass” is doubtful."