a structure composed of two molecular layers, especially of phospholipids in cellular membranes.
Origin of bilayer
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
A structure, such as a film or membrane, consisting of two molecular layers.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.