(mineralogy) A yellow, earthy incrustation, consisting essentially of the oxide of uranium, but more or less impure.

A dark yellowish color, a yellowish shade of ochre or olive.

plural of red ochre

A clay-like material, containing ferric oxide, used as a pigment.

plural of gold ochre

plural of ochrea

Having an ochre-like color

plural of ochrea

(botany) Provided with ochrea, or sheath-formed stipules, as the rhubarb, yellow dock, and knotgrass.

(organic chemistry) The chromenone (6aR,9R,9aR)-9-acetyl-3-[(1E,3E,5S)-3,5-dimethylhepta-1,3-dienyl]-6a-methyl-9,9a-dihydrofuro[2,3-h]isochromene-6,8-dione