pigment /ˈpɪɡ.mənt/noun 3verb 1forms 3 noun3 •Any color in plant or animal cells.Chlorophyll is the pigment responsible for most plants' green colouring. •A dry colorant, usually an insoluble powder.Umber is a pigment made from clay containing iron and manganese oxide. •(no longer used) Wine flavoured with spices and honey.Oswald, broach the oldest wine-cask; place the best mead, the richest morat, the most sparkling cyder, the most odoriferous pigment, upon the board; […] — 1819 verb1 •To add color or pigment to something. formspigmented · pigmenting · pigments