Constituting a separate thing. See Synonyms at distinct.(adjective)
Consisting of unconnected distinct parts.(adjective)
Mathematics Defined for a finite or countable set of values; not continuous.(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.
Use "discrete" in a sentence
"Ecosystem is a conglomerate of biological and physical processes interacting to produce what we identify as a discrete unit of nature--e.g., the Everglades, a rainforest, a watershed."
"Again, moderator, go to merriam-webster. com, do a search, and realize that "discrete" is the word you wanted above, not "discreet.""
"These electrons reside in discrete energy levels, or electron orbits, around the nucleus."