Glossary A B C D E F G H I J K L M N O P Q R S T U V W X Y Z Term of the Day: Chrome green A variety of green pigments made from chrome yellow and iron (Prussian) blue. Xylene Sometimes called xylol. A solvent, like toluene, that softens glue enough so it can be scrubbed off with a coarse cloth or soft-bristle brush.