| 释义 |
Murexide
Mu`rex´ide
| n. | 1. | (Chem.) A crystalline nitrogenous substance (C8H8N6O6, 5-5'-nitrilodibarbituric acid monoammonium salt) 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. It is now synthesized from alloxan. Formerly called also ammonium purpurate. |
murexide
mu·rex·ide (mū-rek'sīd, -sid), The ammonium salt of purpuric acid, formerly used as a dye but superseded by the aniline colors. |