femtosecond, picosecond, dipole moment, photoemission, spectroscopic, kev, spectroscopy, phonon, electric dipole, electron volt, polarimetry, spectroscopic analysis, plasmon, photoelectron, redshift, antiprotons, photons, fluorescence microscopy, photoluminescence, quasiparticle, antiparticle, quadrillionth, muons, interferometer, blackbody, magnetic dipole, diffraction, neutrino, chemiluminescence, cosmic ray, angstrom, grond, antineutrino, photometer, photometry, magnetization, synchrotron radiation, arcsecond, gamma ray, magnetisation, exciton, photoelectric effect, cherenkov radiation, astrometry, nernst, mev, valence electron, electron accelerator, dephasing, photocurrent, protostar, auroral, astrophysical, supernovae, strange quark, amplitudes, terahertz, anisotropy, trillionth, quantum mechanical, backscattering, luminosities, magnon, radial velocity, monochromator, dispersive, particle beam, periodicities, spectrometry, terawatt, cosmic microwave background, soliton, gamma rays, picometer, electrochemical, radiative, nucleosynthesis, spectra, hyperfine, photochemistry, neutrons, diffusion coefficient, oscillation, extragalactic, eclipsing binary, occultation, heterodyne, positron, electronvolts, magnetoresistance, quadrupole, micrometer, quasar, earthshine, infrared radiation, photolysis, themis, supersolid, mesosphere, microscopy, planck, fluorescence

time unit, unit of time