Definition of "culture medium" [culture medium]

• A liquid or gelatinous substance containing nutrients in which microorganisms or tissues are cultivated for scientific purposes. (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.