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entity go
that which is perceived or known or inferred to have its own distinct existence (living or nonliving)

abstraction, abstract entity go
a general concept formed by extracting common features from specific examples

attribute go
an abstraction belonging to or characteristic of an entity

property go
a basic or essential attribute shared by all members of a class

physical property go
any property used to characterize matter and energy and their interactions

mass
the property of a body that causes it to have weight in a gravitational field

noun.attribute

12 Subcategories

body go
the main mass of a thing
biomass go
the total mass of living matter in a given unit area
critical mass go
the minimum mass of fissionable material that can sustain a chain reaction
rest mass go
(physics) the mass of a body as measured when the body is at rest relative to an observer, an inherent property of the body
relativistic mass go
(physics) the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases
bulk go
the property possessed by a large mass
gravitational mass go
(physics) the mass of a body as measured by its gravitational attraction for other bodies
inertial mass go
(physics) the mass of a body as determined by the second law of motion from the acceleration of the body when it is subjected to a force that is not due to gravity
atomic mass, atomic weight, relative atomic mass go
(chemistry) the mass of an atom of a chemical element expressed in atomic mass units
mass energy go
(physics) the mass of a body regarded relativistically as energy
molecular weight, relative molecular mass go
(chemistry) the sum of the relative atomic masses of the constituent atoms of a molecule
mass defect, mass deficiency go
the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles