noun
a photographic technique in which a subject is filmed in front of a blue background so as to allow matte compositing of the film with other footage; also the blue background
blue screen blue screen of death blue screen of life blue blue and the gray blue and the grey blue angel blue annealing blue asbestos blue baby blue basic lead sulfate blue blood blue book blue box blue boy blue brick blue brittle range blue brittle temperature range blue brittleness blue button blue catfish blue cheese blue chip blue chip company blue chip firm blue chip rate blue chip stock blue cohosh blue collar blue collar worker