from the GNU version of the Collaborative International Dictionary of English
- n. Either of two compounds, a chlorine derivative and bromine derivative, of hydroquinone, used as developers.
from The Century Dictionary and Cyclopedia
- n. A trade-name for two compounds used as photographic developers. Adurol “Schering” is bromhydroquinone, C6H3Br(OH)2; adurol “Hanff” is chlorhydroquinone.
Sorry, no etymologies found.