noun
- the act of including.
- the state of being included.
- something that is included.
- Biology. a body suspended in the cytoplasm, as a granule.
- Mineralogy. a solid body or a body of gas or liquid enclosed within the mass of a mineral.
- Petrography. xenolith.
- Logic, Mathematics. the relationship between two sets when the second is a subset of the first.
noun
- the act of including or the state of being included
- something included
- geology a solid fragment, liquid globule, or pocket of gas enclosed in a mineral or rock
- maths
- the relation between two sets that obtains when all the members of the first are members of the secondSymbol: X ⊆ Y
- strict inclusion or proper inclusionthe relation that obtains between two sets when the first includes the second but not vice versaSymbol: X ⊂ Y
- engineering a foreign particle in a metal, such as a particle of metal oxide
c.1600, from Latin inclusionem (nominative inclusio) “a shutting up, confinement,” noun of action from past participle stem of includere (see include).
n.
- A nonliving mass, such as a droplet of fat, in the cytoplasm of a cell.
- The process by which a foreign or heterogenous structure is misplaced in another tissue.