millionths, picosecond, quadrillionth, attosecond, femtosecond, antiparticle, antiquarks, atoms, antineutrinos, subatomic particle, baryon, electron volt, hadrons, millisecond, strange quark, thousandth, billionth, gluon, neutrino, microsecond, dipole moment, radioactive decay, electric dipole, angstrom, arcsecond, electronvolts, quantum mechanical, neutrons, nanosecond, neutron star, meson, leptons, buckyball, supernovae, muons, positrons, micrometres, kelvin, quantum mechanics, protons, parsec, joules, cosmic microwave background, curie, photons, antimatter, supersolid, disintegrations, micrometers, abiogenesis, millivolts, pulsar, hydrogen atom, quark, fermion, hundredth, cubic centimeter, photoelectric effect, milli, gamma rays, terawatt, gigaton, antiproton, planck constant, polarimetry, comet, galaxies, nucleosynthesis, quintillion, cherenkov radiation, thermosphere, particles, micrometre, axion, mesosphere, pion, alpha particle, electrons, sextillion, nuclei, radial velocity, photosphere, relativity theory, bosons, giga, quasiparticle, kiloton, universe, ions, logarithmic scale, cosmos, microns, gravitons, jovian, magnetic monopole, proxima centauri, iapetus, exciton, nanometers, fissioning, crystallites, meteoroid, footer, footers, hundredths, millionth, old, pounder, twenties, acre, bushel, carat, dollar, eighths, euro, fifties, forties, gallon, guinea, lire, meter

micromicron, picofarad, picometer, picometre, picosecond, picovolt

common fraction, simple fraction

one-trillionth, ordinal