What is mass?

  • (noun): An ill-structured collection of similar things (objects or people).
    See also — Additional definitions below


In physics, mass (from Greek μᾶζα "barley cake, lump (of dough)"), more specifically inertial mass, is a quantitative measure of an object's resistance to acceleration. In addition to this, gravitational mass is a measure of magnitude of the gravitational force which is

Read more about Mass.

Some articles on mass:

Ordo Templi Orientis - Structure - O.T.O. Bodies
... are encouraged to celebrate the Gnostic Mass ... Oases must be capable of initiating through the III° and are required to perform the Gnostic Mass six times yearly ... Lodges are expected to celebrate the Gnostic Mass on a regular basis, work towards establishing a permanent temple, and have the ability to initiate through IV°/P.I ...
Exotic Matter - Imaginary Mass
... A hypothetical particle with imaginary rest mass would always travel faster than the speed of light ... There is no confirmed existence of tachyons If the rest mass is imaginary this implies that the denominator is imaginary since the total energy is an observable and thus must be real ... In quantum field theory, imaginary mass would induce tachyon condensation ...
Unsprung Mass
... In a ground vehicle with a suspension, the unsprung weight (or the unsprung mass) is the mass of the suspension, wheels or tracks (as applicable), and other components ... The mass of the body and other components supported by the suspension is the sprung mass.) Unsprung weight includes the mass of components such as the wheel axles, wheel ...
Double Pendulum - Analysis
... analysis, the limbs are taken to be identical compound pendulums of length and mass, and the motion is restricted to two dimensions ... In a compound pendulum, the mass is distributed along its length ... If the mass is evenly distributed, then the center of mass of each limb is at its midpoint, and the limb has a moment of inertia of about that point ...
Origin of Mass
... In theoretical physics, a mass generation mechanism is a theory which attempts to explain the origin of mass from the most fundamental laws of physics ... which advocate different views at the origin of mass ... The problem is complicated by the fact that the notion of mass is strongly related to the gravitational interaction but a theory of the latter has not been yet reconciled with the currently popular model of ...

More definitions of "mass":

  • (noun): A sequence of prayers constituting the Christian eucharistic rite.
    Example: "The priest said Mass"
  • (verb): Join together into a mass or collect or form a mass.
    Example: "Crowds were massing outside the palace"
  • (noun): (Roman Catholic Church and Protestant Churches) the celebration of the Eucharist.
  • (noun): A musical setting for a Mass.
    Example: "They played a Mass composed by Beethoven"
  • (noun): A body of matter without definite shape.
    Example: "A huge ice mass"
  • (adj): Occurring widely (as to many people).
    Example: "Mass destruction"
    Synonyms: large-scale
  • (noun): The property of a body that causes it to have weight in a gravitational field.
  • (noun): The property of something that is great in magnitude.
    Example: "He received a mass of correspondence"
    Synonyms: bulk, volume

Famous quotes containing the word mass:

    While this America settles in the mould of its vulgarity, heavily
    thickening to empire,
    And protest, only a bubble in the molten mass, pops and sighs out,
    and the mass hardens,
    Robinson Jeffers (1887–1962)

    The great mass of people ... will more easily fall victim to a big lie than to a small one.
    Adolf Hitler (1889–1945)

    The mass never comes up to the standard of its best member, but on the contrary degrades itself to a level with the lowest.
    Henry David Thoreau (1817–1862)