A synthetic rubber made from the polymerization of butadiene and sodium.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "buna" in a sentence
"I had tea and my friend had buna, the Amharic word for coffee."
"The modern common use word for beech is "buna," incidentally."
"- Ey Allah'n Resul, buna karlk bize ne va'd ediyorsunuz?"