is a specific kind of: natural science.

is a broader term that covers: astronomy, uranology | aeronautics, astronautics | biophysics | cryogenics, cryogeny | crystallography | electromagnetics, electromagnetism | electronics | electrostatics | mechanics | atomic physics, nuclear physics, nucleonics | optics | high-energy physics, high energy physics, particle physics | plasma physics | quantum physics | rheology | solid-state physics | statistical mechanics | thermodynamics ... show more.

domain member category: phase space | containment | hodoscope | magnet | meniscus | nuclear reactor, reactor | metastability | isotropy, symmetry | duality, wave-particle duality | absorption factor, absorptivity | reluctivity | rest mass | relativistic mass | gravitational mass | inertial mass | mass energy | flux, flux density | absorbance, optical density, photographic density, transmission density | quantum | attracter, attractor | Bose-Einstein statistics | Dalton's law, Dalton's law of partial pressures, law of partial pressures | Boltzmann distribution law, Maxwell-Boltzmann distribution law | Fermi-Dirac statistics | Charles's law, Gay-Lussac's law, law of volumes | Hooke's law | Kirchhoff's laws | law of gravitation, Newton's law of gravitation | law of thermodynamics | mass-energy equivalence | Planck's law | Planck's radiation law | gravitational theory, Newton's theory of gravitation, theory of gravitation, theory of gravity | principle of relativity | principle of equivalence | field theory | Bohr theory | conservation | conservation of parity, mirror symmetry, parity, space-reflection symmetry | undulatory theory, wave theory, wave theory of light | corpuscular theory, corpuscular theory of light | kinetic theory, kinetic theory of gases | Einstein's theory of relativity, relativity, relativity theory, theory of relativity | supersymmetry | quantum theory | dynamical system | chaos | collision, hit | gravitation wave, gravity wave | oscillation, vibration | undulation, wave | solitary wave, soliton, soliton wave | transient | quantum jump | recombination | transmutation | amplitude | node | antinode | center of buoyancy, center of immersion, centre of buoyancy, centre of immersion | wave front, wavefront | couple | elementary particle, fundamental particle | quark | weakly interacting massive particle, WIMP | physicist | Coriolis effect | perturbation | atomic spectrum | cohesion | Coriolis force | energy, free energy | power | work | force | gravitation, gravitational attraction, gravitational force, gravity | inertia | angular acceleration | angular velocity | light, visible light, visible radiation | sympathetic vibration | magnetic dipole moment | reluctance | scintillation | shear | stress | tension | strain | fundamental interaction, interaction | color force, strong force, strong interaction | weak force, weak interaction | absorption | diffusion | nuclear reaction | relaxation, relaxation behavior | spallation | modulus | coefficient of elasticity, elastic modulus, modulus of elasticity | gas constant, R, universal gas constant | constant of gravitation, G, gravitational constant, universal gravitational constant | metric, metric function | abundance | pencil | angle of dip, dip, inclination, magnetic dip, magnetic inclination | ground state | absorber | atom | molecule | acceleration | deceleration | bombard | backscatter | transform | transform | decay, decompose, disintegrate | disintegrate | magnetise, magnetize | degauss, demagnetise, demagnetize | quench | flux, liquefy, liquify | liquefy, liquidise, liquidize, liquify | solidify | solidify | freeze, freeze down, freeze out | crystalise, crystalize, crystallise, crystallize | decouple | polarise, polarize | electrify | depolarise, depolarize | shear | quantise, quantize | induce, induct | translate | attractive | repulsive | reversible | uncharged | classical | miscible, mixable | immiscible, non-miscible, unmixable | critical | noncritical | diabatic | adiabatic | viscoelastic | fissile, fissionable | nonfissionable | free | bound | identical | aeolotropic, eolotropic | reactive | activated, excited | unreactive | hyperfine | relativistic | fiducial | nuclear | metastable | quantal, quantized | dynamic | hydrodynamic | aerodynamic | rheologic, rheological | mesic, mesonic | reversibly | coherent | incoherent | chaotic ... show more.

derivation: physical.