Xanthene
a yellow, crystalline substance, c 13 h 10 o, soluble in ether and slightly soluble in alcohol, used in organic synthesis and as a fungicide.
noun
a yellowish crystalline heterocyclic compound used as a fungicide; benzo-1,4-pyran. its molecular structural unit is found in many dyes, such as rhodamine and fluorescein. formula: ch2(c6h4)2o
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- Xanthene-dye
any of a group of dyes having a molecular structure related to that of xanthene in which the aromatic (c 6 h 4) groups are the chromoph-r-.
- Xanthian
of or relating to the ancient city of xanthus. historical examples blackwood’s edinburgh magazine, volume 61, no. 380, june, 1847 various encyclopaedia britannica, 11th edition, volume 10, slice 2 various adjective of or relating to the ancient lycian city of xanthus or its inhabitants
- Xanthic-acid
an unstable organic acid, c 3 h 6 s 2 o, the methyl and ethyl esters of which are colorless, oily liquids with a penetrating odor. noun any of a cl-ss of organic sulphur-containing acids with the general formula roc(s)sh, where r is an organic group
- Xanthic
of or relating to a yellow or yellowish color. chemistry. of or derived from xanthine or xanthic acid. historical examples appletons’ popular science monthly, july 1899 various the book of humorous verse various adjective of, containing, or derived from xanthic acid (botany, rare) having a yellow colour adj.
- Xanthin
the part of the coloring matter in yellow flowers that is insoluble in water. compare xanthein. a yellow coloring matter in madder. historical examples rugs: oriental and occidental, antique & modern rosa belle holt all about coffee william h. ukers the decoration of leather georges de rcy noun any of a group of yellow or […]