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

physical entity go
an entity that has physical existence

process, physical process go
a sustained phenomenon or one marked by gradual changes through a series of states

phenomenon go
any state or process known through the senses rather than by intuition or reasoning

natural phenomenon go
all phenomena that are not artificial

physical phenomenon go
a natural phenomenon involving the physical properties of matter and energy

energy, free energy go
(physics) a thermodynamic quantity equivalent to the capacity of a physical system to do work

heat, heat energy
a form of energy that is transferred by a difference in temperature

noun.phenomenon

6 Subcategories

geothermal energy go
energy derived from the heat in the interior of the earth
heat of dissociation go
the heat required for a fluid substance to break up into simpler constituents
heat of formation go
the heat evolved or absorbed during the formation of one mole of a substance from its component elements
heat of solution go
the heat evolved or absorbed when one mole of a substance is dissolved in a large volume of a solvent
latent heat, heat of transformation go
heat absorbed or radiated during a change of phase at a constant temperature and pressure
specific heat go
the heat required to raise the temperature of one gram of a substance one degree centigrade