Definition of "tandem" []

• A two-wheeled carriage drawn by horses harnessed one before the other. (noun)
• A team of carriage horses harnessed in single file. (noun)
• A tandem bicycle. (noun)
• An arrangement of two or more persons or objects placed one behind the other: driving horses in tandem. (noun)
• Having two identical components arranged one behind the other: a tandem axle. (adjective)

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.

• "Rodriguez's lab has developed what its calls tandem-repeated ubiquitin binding entities to help researchers identify ubiquitin-modified proteins that cannot be detected with current technologies."
• "Did not you and Dr. Foster working in tandem endeavor to create me?"
• "Buy these two apps together because when played in tandem, they provide a powerful environmental message for kids."