释义 |
dragon's blood noun 1. : any of several resinous mostly dark red substances derived from various trees; specifically : the resin from the fruit of several palms of the genus Daemonorops (especially D. draco) that yields the true dragon's blood of commerce which is used for coloring varnish and in photoengraving for preventing undercutting of the printing surface during etching 2. : the thickened juice of the dragon tree of the Canary islands or a related tree of Socotra 3. : a synthetic powder used in photoengraving similarly to true dragon's blood 4. or dragon's-blood red : pompeian red |