"reduction" - key terms from Wikipedia

amount of gain reduction
birch reduction
carbon reduction
contrast reduction
cx noise reduction
dimensional reduction
disaster reduction
dosage reduction
dose reduction
dramatic reduction
dust reduction
emission reduction
emissions reduction
gain reduction
greenhouse gas reduction
harm reduction
load reduction
noise reduction
noise reduction	system
nonlinear dimensionality reduction
open reduction
orbit reduction
phenomenological reduction
pipeline reduction
population reduction
poverty reduction
previous reduction
reduction
reduction	function
reduction	in force
reduction	in fuel consumption
reduction	in reoffending
reduction	of the voting age
reduction	of wrinkles
reduction	potential
reduction	schemes
relative risk reduction
risk reduction
row reduction
selective reduction
standard reduction	potential
stress reduction	clinic
turing reduction
type of reduction
variability reduction
vowel reduction
waist reduction
waste reduction
we have reduction
weight reduction