What is mass?

  • (noun): A body of matter without definite shape.
    Example: "A huge ice mass"
    See also — Additional definitions below

Mass

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:

Unsprung Mass
... 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 directly connected to them, rather than ... 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 bearings ...
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 ... In quantum field theory, imaginary mass would induce tachyon condensation ...
Ordo Templi Orientis - Structure - O.T.O. Bodies
... They 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 ...
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 ... of different models have been proposed which advocate different views at the origin of mass ... 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 ...
Double Pendulum - Analysis
... In the following 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 ...

More definitions of "mass":

  • (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): An ill-structured collection of similar things (objects or people).
  • (noun): A sequence of prayers constituting the Christian eucharistic rite.
    Example: "The priest said 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
  • (verb): Join together into a mass or collect or form a mass.
    Example: "Crowds were massing outside the palace"

Famous quotes containing the word mass:

    No atomic physicist has to worry, people will always want to kill other people on a mass scale. Sure, he’s got the fridge full of sausages and spring water.
    William Burroughs (b. 1914)

    In the mass of mankind, I fear, there is too great a majority of fools and knaves; who, singly from their number, must to a certain degree be respected, though they are by no means respectable.
    Philip Dormer Stanhope, 4th Earl Chesterfield (1694–1773)

    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)