spectrophotometry
radiospectrometry
electromagnetometry
mass spectrum
transflexion
variometer
radiometry
riometer
mass spectrograph
actinometer
spectrofluorometer
spectrometry
spectroscopy
spectroanalysis
wavemeter
photometry
spectroastrometry
X-ray spectroscopy
spectrophotometer
mass spectrometer
wavenumber
sound spectrograph
permeameter
radio detection and ranging
spectrographic analysis
spectroscopic analysis
radar
spectrum analysis
isotopometry
microwave radar
radiolocation
proxy
spectrobolometer
atomic absorption spectroscopy
atomic emission spectroscopy
spectrography
biospectrophotometer
spectrofluoropolarimeter
fluorospectrophotometer
actinometry
spectroradiometry
colorimeter
mass spec
carbometer
electronic reconnaissance
X-ray spectrometer
electrotomography
spectrobolometry
ionization tube
microspectrofluorometry
ionization chamber
photometer
absorption band
field emission microscope
dosemeter
microspectroscope
fluorospectrophotometry
dosimeter
radiospectrometer
counter tube
API unit
angstrom star
light unit
light-scattering photometry