Relativity
Space, time, gravity and motion at extreme scales.
Areas within Relativity
Mechanics
Motion, forces, energy and physical systems.
157 wordsThermodynamics
Heat, energy transfer, work and entropy.
64 wordsElectromagnetism
Electric charge, fields, circuits and magnetism.
62 wordsQuantum physics
Matter and energy at atomic and subatomic scales.
44 wordsRelativity
Space, time, gravity and motion at extreme scales.
31 wordsOptics
Light, lenses, reflection, refraction and imaging.
40 wordsAcoustics
Sound, vibration, waves and hearing.
1 wordsAstrophysics
Specialist vocabulary classified under Physics.
169 wordsCondensed matter
Specialist vocabulary classified under Physics.
40 wordsFluid dynamics
Specialist vocabulary classified under Physics.
66 wordsNuclear physics
Specialist vocabulary classified under Physics.
36 wordsParticle physics
Specialist vocabulary classified under Physics.
72 wordsPhysical measurement
Specialist vocabulary classified under Physics.
31 wordsWaves acoustics
Specialist vocabulary classified under Physics.
34 words32 featured terms
The database can contain more terms than shown here; this page prioritises the strongest mappings.
a generalization of special relativity to include gravity (based on the principle of equivalence)
Einstein's special theory of relativitynouna physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of ph…
General relativitynouna generalization of special relativity to include gravity (based on the principle of equivalence)
General relativity theorynouna generalization of special relativity to include gravity (based on the principle of equivalence)
General theory of relativitynouna generalization of special relativity to include gravity (based on the principle of equivalence)
Gravitational fieldnouna field of force surrounding a body of finite mass
Inertial framenouna coordinate system in which Newton's first law of motion is valid
Inertial reference framenouna coordinate system in which Newton's first law of motion is valid
Light speednounthe speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 29…
Mass-energy equivalencenoun(physics) the principle that a measured quantity of mass is equivalent (according to relativity theory) to a measured quantity of energy
Simultaneitynounhappening or existing or done at the same time
Simultaneousnessnounhappening or existing or done at the same time
Space-timenounthe four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
Space-time continuumnounthe four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
spacetimenounthe four-dimensional coordinate system (3 dimensions of space and 1 of time) in which physical events are located
Special relativitynouna physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of ph…
Special relativity theorynouna physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of ph…
Special theory of relativitynouna physical theory of relativity based on the assumption that the speed of light in a vacuum is a constant and the assumption that the laws of ph…
Speed of lightnounthe speed at which light travels in a vacuum; the constancy and universality of the speed of light is recognized by defining it to be exactly 29…
Einstein's theory of relativitynoun(physics) the theory that space and time are relative concepts rather than absolute concepts
Relativitynoun(physics) the theory that space and time are relative concepts rather than absolute concepts
Relativity theorynoun(physics) the theory that space and time are relative concepts rather than absolute concepts
Theory of relativitynoun(physics) the theory that space and time are relative concepts rather than absolute concepts
spacetimenounA single framework that treats space and time together.
Co-occurrencenounthe temporal property of two things happening at the same time; "the interval determining the coincidence gate is adjustable"
Coincidencenounthe temporal property of two things happening at the same time; "the interval determining the coincidence gate is adjustable"
Concurrencenounthe temporal property of two things happening at the same time; "the interval determining the coincidence gate is adjustable"
Conjunctionnounthe temporal property of two things happening at the same time; "the interval determining the coincidence gate is adjustable"
Concomitancenounoccurrence or existence together or in connection with one another
Contemporaneitynounthe quality of belonging to the same period of time
Overlapnounthe property of partial coincidence in time
Unisonnounoccurring together or simultaneously; "the two spoke in unison"