inclusion

1. 1

   An addition or annex to a group, set, or total.countable

   • The poem was a new inclusion in the textbook.
2. 2

   The act of including, i.e. adding or annexing, (something) to a group, set, or total.uncountable

   • The inclusion of the poem added value to the course.
3. 3

   Anything foreign that is included in a material.countable

4. 4

   Any material that is trapped inside a mineral during its formation, as a defect in a precious stone.countable

   • The fewer inclusions a diamond has, the better is its clarity and value. Often the inclusions can be cut out of a diamond in the rough.
5. 5

   A nuclear or cytoplasmic aggregate of stainable substances.countableuncountable

6. 6

   An object completely inside a tissue, such as epidermal inclusion cyst, a cyst in the epidermis.countableuncountable

7. 7

   A mapping where the domain is a subset of the image.countableuncountable

8. 8

   Restriction; limitation.countableobsoleteuncountable

ant. exclusion