earth color

/ərθ ˌkʌlər/

Other forms: earth colors

Definitions of earth color

1. noun

   a colored mineral used as a pigment
   types:

   sienna

   an earth color containing ferric oxides; used as a pigment

   ocher, ochre

   any of various earths containing silica and alumina and ferric oxide; used as a pigment

   umber

   an earth pigment

   burnt sienna

   a reddish-brown pigment produced by roasting sienna

   raw sienna

   a yellowish-brown pigment made from untreated sienna

   sinoper, sinopia, sinopis

   a red ocher formerly used as a pigment

   yellow ocher, yellow ochre

   pigment consisting of a limonite mixed with clay and silica

   raw umber

   greenish brown pigment

   burnt umber

   dark brown pigment obtained by heating umber

   type of:

   mineral

   solid homogeneous inorganic substances occurring in nature having a definite chemical composition

   pigment

   dry coloring material (especially a powder to be mixed with a liquid to produce paint, etc.)