jpdb beta

stimulation (e.g. of an economy); revitalization (e.g. of a town); rejuvenation; activation

inert

reactive oxygen (i.e. free radicals, which can be destructive at high concentrations)

activator

biologically active substance

surface active

active center

water activity

pharmacological activity

active site

activated alumina

active link type

active hydrogen

active document type

active enzyme

activated sludge

active acetate