An ore of silver, of a ruby-red or reddish black color. It includes proustite, or light red silver, and pyrargyrite, or dark red silver.

A dyestuff, isomeric with indigo blue, obtained from crude indigo as a dark brown amorphous powder.

An ocherous red pigment resembling Venetian red, but slightly yellower and warmer. / Any red wine of Spanish origin.

rhodochrosite

Abies magnifica, a western North American fir tree.

(botany) Synonym of watermelon radish

The red vetchling (Lathyrus cicera). / (Jamaica) The kidney bean.

plural of red daikon

plural of red pea

Having a red colour around the edge, especially said of eyes after crying.