Also found in: Encyclopedia.


 (do͝or′ān, dyo͝or′-)
A gray to brownish-black band in bituminous coal, characterized by a granular fracture and a dull luster.

[Latin dūrus, hard; see deru- in Indo-European roots + (fus)ain.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Mentioned in ?
References in periodicals archive ?
Others who joined Deromedi were Senator Simon Sutour, President of the Friendship Group in charge of the Philippines, Senator Jerome Durain, and Senator Philippe Mouiller.
Macroscopic compositions of coal refer to the basic unit of coal that can be distinguished by the naked eye, which can be divided into vitrain, clarain, durain, and fusain.
For Humsafar, Fawad Khan won the award for Best Actor, Mahira Khan for Best Actress, Momina Durain for Best Drama and Sarmad Khoosat for Best Director.
Durain, "Primary dysmenorrhea: assessment and management update," Journal of Midwifery and Womens Health, vol.
"Between 18 and 21 October… the villages of El Labu, Tablu, El Hibeel, El Atmour and Umm Serdiba in the locality of Umm Durain and the town of El Buram, were under extensive aerial bombardments," he said in an earlier statement, issued Monday.
(17.) Kac G, Durain E, Am rein C, Herisson E, Fiemeyer A, Buu-Hoi A.
(41.) Bohme P, Floriot M, Sirveaux MA, Durain D, Ziegler O, Drouin P, et al.
The durain, known in South East Asia as the king of fruits, came from wholesalers in Birmingham.
Durain Homeseat tends his daughter Kanjana Homeseat, aged 13, who was injured in the gunfire
Bobby Crossley, Corey Crownover, Daniel Cullen, John Culver, Zachary Davis, Erin Debailo, Francarlo DeMarco, Lisa Dolan, Zandra Dornon, Joseph Dowell, April Drews, Sean Drowatzky, Angela Dudley, Kimberle Dupret, Deborah Durain, Camron Earl, Glenda Earle, Rebekah Edwards, Teresa Ekberg, Elyssa Elliott, Trevor Farstad, Thomas Fenner, Tiffany Ferchland, Melissa Fiedler, Kacy Flagg, Jeffrey Fleming, Micheal Fleming, Michael Fletcher, Johnathen Forcum, Thomas Foss,