Definition of "bimetallic" []

• Consisting of two metals, often bonded together and having different rates of thermal expansion. (adjective)
• Of, based on, or using the principles of bimetallism. (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.

• "It recognizes the futility of instituting a bimetallic system of currency, when the whole world is in opposition, and considers that such an act would be inimical to the welfare of the country."
• "It does take a while for copper and steel to react with bimetallic corrosion and moisture is required."
• "The Qing's monetary system was a bimetallic system of parallel standard in which silver and copper coins circulated. 144 Silver was usually used in large transactions and copper cash served in daily small deals."