To treat or coat something with bichromate; to subject to a bichromate process for photographic or chemical purposes.
From 'bichromate' plus the verb suffix '-ize' (from Greek 'izein'). This verb emerged in photography and chemistry to describe the action of applying bichromate treatments to materials.
When photographers wanted to bichromatize their prints, they were literally using chemistry to control light sensitivity—this hands-on approach to photography required real craftsmanship compared to today's point-and-click cameras!
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