| murex | Origin: L, the purple fish. <zoology> A genus of marine gastropods, having rough, and frequently spinose, shells, which are often highly coloured inside; the rock shells. They abound in tropical seas. Source: Websters Dictionary (01 Mar 1998) |
|---|---|
| murexan | <chemistry> A complex nitrogenous substance obtained from murexide, alloxantin, and other ureids, as a white, or yellowish, crystalline which turns red on exposure to the air. Synonym: uramil, dialuramide, and formerly purpuric acid. Origin: From Murexide. Source: Websters Dictionary (01 Mar 1998) |
| murexide | <chemistry> A crystalline nitrogenous substance having a splendid dichroism, being green by reflected light and garnet-red by transmitted light. It was formerly used in dyeing calico, and was obtained in a large quantities from guano. Formerly Synonym: ammonium purpurate. Origin: L. Murex the purple fish, purple. Source: Websters Dictionary (01 Mar 1998) |
| murexoin | <chemistry> A complex nitrogenous compound obtained as a scarlet crystalline substance, and regarded as related to murexide. Source: Websters Dictionary (01 Mar 1998) |