Luokka Fysiikkabulgariaenglantiespanjaesperantohollantiitaliajapanikreikkalatinalatvialiettuanorjaportugalipuolaranskaruotsisaksasuomitanskaturkkitšekkiunkarivenäjäviro

nuclear quadrupole resonance nuclear reactor nuclear response function nuclear spectrum nucleation nucleo- nucleogenic nucleonics nucleosynthesis nucleus nuclide nutation objectivation observable occlusion octetonium octonionics octopole octupolarity octupole odderon ohm Ohm's law ohmmeter omega onium OOS opalescence open system optic optical activity optical rotation optical rotatory dispersion optical spectrum

optical trap optics optoacoustic optodynamics optoelectric optoelectronics orbit orbital orbital symmetry orbitally orbiton orientifold ortho- orthoexciton orthohelium orthohydrogen orthokinetic orthomode orthopositronium oscillometer oscillometry oscillon osmometry osmotic pressure outcouple outcoupling overconvergent overdamped overpotential overstability overtone overvoltage oxidaniumyl

oxygen burning oxygenlike p-n junction p-type pair production pairbreaking pairforming pairing energy paleoclassical paraboson paraconductivity paraelectricity paraexciton parafermion parahelium parahydrogen paramagnet paramagnetic paramagneticlike paramagnetism paramagnon parameter parametron paranematic paraparticle parapositronium paraxial parent nuclide parity partial charge partial pressure particle particle beam