(especially) an official with authority to examine books, magazines, plays, films etc and to remove anything regarded as immortal or in other ways undesirable

forbid; ban; selectively remove

to take out (something written or printed)

erase, remove

to make (something) free from infection caused by bacteria

make clean, pure

to take out from (a book etc) what are considered to be (improper or objectionable parts)

censor, cut

to disinfect (a place) using chemical fumes

disinfect, ventilate

to make (air, water etc) pure or clean

free; make clean