Pronunciation: (in-klOO'zhun), [key]
1. the act of including.
2. the state of being included.
3. something that is included.
4. Biol.a body suspended in the cytoplasm, as a granule.
5. Mineral.a solid body or a body of gas or liquid enclosed within the mass of a mineral.
7. Logic, Math.the relationship between two sets when the second is a subset of the first.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.