spectroscopy, spectrometry, polarimetry, spectroscopic analysis, spectra, photoluminescence, photometric, photometer, extragalactic, microscopy, crystallographic, spectrographic, photoelectron, attosecond, astrophysical, multispectral, electron microscopy, radial velocity, photometry, anisotropy, dipole moment, isotopic, diffraction, redshift, astrometry, antineutrino, scintillator, neutrino, quasicrystal, photochemistry, femtosecond, photoemission, coronagraph, cosmic microwave background, gamma ray, spectral, radiometer, magnetisation, interferometer, mass spectrometer, monochromator, paramagnetic, backscattering, nebular, kev, infrared, molecular, phonon, petrographic, confocal, synchrotron radiation, dynamical, diffracted, terahertz, nanoscale, mass spectroscopy, eclipsing binary, plasmon, biomolecule, blackbody, pyroelectric, osiris, quasars, circumstellar, muon, colorimetric, tomographic, magnetization, chromatogram, supernovae, absorbance, airglow, chemiluminescence, crystallites, crystallography, fluorescence microscopy, ion beam, spectro, quantum mechanical, petrological, nuclear magnetic resonance, exoplanet, ionisation, isotropic, proton magnetic resonance, nucleons, magnetic monopole, luminosities, ytterbium, calorimetric, birefringence, organometallic, minos, quasiparticle, fluorescence, proteomics, rheometer, astronomical telescope, photons, nuclide, manganite, wavelengths, measurements, diagnostics, calibrations, instrumentation, observations, treatments, kinetic, calculations, spectrometers, tests, detections, determinations, implementations, notations, techniques, thermal, definitions, devices, edits, estimations, spectrometric, cytochemical, electrophysiological, spectrophotometric, metallographic, electrophysiologic, microchemical, morphometric, photoelastic, anthropometric, immunochemical, histochemical, microscopical, polarimetric, polarographic, radiographic, radiometric

huggins, sir william huggins

spectroscopical