The American Heritage® Dictionary of the English Language, 4th Edition
n. The set of proteins expressed by the genetic material of an organism under a given set of environmental conditions.
n. The complete set of proteins that can be expressed by the genetic material of an organism. Also called complete proteome.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. the full complement of proteins produced by a particular genome
Word Usage
"The term proteome “proteins that are encoded and expressed by a genome” was coined in 1994 by Marc Wilkins, then a graduate student at Macquarrie University in Sydney, Australia."