"absorption" - key terms from Wikipedia

absorption
absorption and emission spectra
absorption bands
absorption chillers
absorption coefficient
absorption flattening
absorption laws
absorption lines
absorption of calcium
absorption of nutrients
absorption only
absorption rate
absorption refrigerator
absorption spectra
absorption spectrometry
absorption spectroscopy
absorption spectrum
atmospheric absorption
atomic absorption
atomic absorption spectroscopy
cholesterol absorption
fructose absorption
impaired absorption
iron absorption
kinetic absorption ability
laser absorption
material absorption
nmr absorption
nmr absorption spectra
noise absorption
re absorption
reduce absorption
resonant absorption
shock absorption
specific absorption rate
total absorption
tunable diode laser absorption spectroscopy
vapor absorption cycle
water absorption