Definition of "polymorph" [pol•y•morph]

• Biology An organism characterized by polymorphism. (noun)
• Chemistry A specific crystalline form of a compound that can crystallize in different forms. (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.

• "A genetically-engineered lifeform GELF known as a polymorph has gotten loose on the ship."
• ""Because of the types of patents that expire beyond 2019 and the mixed track record of success with crystal polymorph patents, there is uncertainty on the exclusivity period for Revlimid beyond 2019," Wei wrote in a note to clients."
• "Revlimid is covered by 12 patents, including a patent covering the composition of Revlimid that expires in 2019 and a polymorph patent, covering another form of the compound, that expires in 2026."