cyclamin

from The Century Dictionary.

• noun A vegetable principle found in the root of species of Cyclamen. It is white, amorphous, or in minute crystals, and has a bitter, acrid taste.
• noun A coal-tar color of the xanthene type. It dyes wool and silk bluish red in a neutral bath. Also spelled cyclamen and cyclamine.

from the GNU version of the Collaborative International Dictionary of English.

• noun A white amorphous substance, regarded as a glucoside, extracted from the corm of Cyclamen Europæum.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun organic chemistry A white amorphous substance, regarded as a glucoside, extracted from the corm of Cyclamen europaeum.