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

activated sludge

activated alumina

active document type

active link type

active site

active hydrogen

active acetate

active enzyme