"the sludge of treated sewage can be used as fertilizer"; "treated timbers resist rot"; "treated fabrics resist wrinkling"
is similar to
(of sewage) treated with aeration and bacteria to aid decomposition
is similar to
(of a liquid) treated by having air passed or bubbled through it for purification
is similar to
treated by heating to a high temperature but below the melting or fusing point
"burnt sienna"
is similar to
treated or impregnated with a foreign substance
is similar to
(of wood) darkened or colored by exposure to ammonia fumes
"fumed oak"
is similar to
treated so as to become resistant
"rust-proofed automobiles"; "shrink-proofed fabrics"
see also
prepared or converted from a natural state by subjecting to a special process
"processed ores"