Definition of "bifunctional" [bifunctional]

• Having two functions: bifunctional neurons. (adjective)
• Chemistry Having or involving two functional groups or binding sites: bifunctional reagents. (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.

• "The region includes genes encoding a CoA-dependent methylmalonate semialdehyde dehydrogenase (dntE), a putative NADH-dependent dehydrogenase (ORF13), and a bifunctional isomerase/hydrolase (dntG)."
• "There is some interesting stuff that is going on in the research space where you have bifunctional materials."
• "Safety note: The following makes use of glutaraldehyde, a bifunctional cross-linking reagent that reacts with lysine residues on the exterior of the proteins."