Term Broader Term-Narrower Term Specialisations Generalisation Broader Narrower Related Terms Related Term Synonym Preferred Term Non-Preferred Term Scope Note zinc white 99% zinc oxide, but with poor covering power), green seal (> 99% zinc oxide with good covering power), red seal (slightly less pure, generally used for grounds), gold seal (also less pure, used for grounds), and gray seal (contains some metallic zinc). Zinc white pigment is used in many media, including pastels, watercolor, and goache. ]]>