Cudbear is a dye extracted from orchil lichens that produces colours in the purple range. It can be used to dye wool and silk, without the use of mordant. The lichen is first boiled in a solution of …

Cudbear, violet, red, or bluish dyestuff, considered similar to orchil and used in colouring pharmaceuticals; also any colour obtained from this dye. Cudbear is also the common name …

2024年9月28日 · cudbear (countable and uncountable, plural cudbears) A violet-red powder, difficult to moisten with water, prepared from certain lichens, especially Ochrolechia tartarea …

The meaning of CUDBEAR is a reddish coloring matter from lichens.

苔色素又名CUDBEAR、ORCHIL或红靛蓝（RED INDIGO）。 法国紫（pourpre frantranais）即为由苔色素制成的色淀颜料。 [1] 英文orchil也指由这种染料染出的任何颜色，或用以提取苔色素 …

cudbear，英语单词，主要用作名词，作名词时译为“地衣紫；一种苔藓”。

2024年3月9日 · One of these purple dyestuffs introduced commercially in the late 18th century in Scotland by Cuthbert Gordon is known as cudbear [1, 12]. Initially, the production of cudbear …

Purple-red coloring agent used in pharmacy; derived from the lichen Ochrolechia tartarea (family Lecanoraceae). Want to thank TFD for its existence? Tell a friend about us, add a link to this …

→ another name for orchil...。 点击查看英语发音、例句和视频。

Properties: Purplish-red powder. Imparts fine purplish-red color to alcohol, acid and neutral liquids. The purple tinge may be covered by adding a few drops of burnt-sugar coloring.