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inclusion

Pronunciation: /ɪnˈkluːʒən/

The English word “inclusion” has 8 meanings listed here.

noun

  1. An addition or annex to a group, set, or total.
  2. The act of including, i.e. adding or annexing, (something) to a group, set, or total.
  3. Anything foreign that is included in a material.
  4. Any material that is trapped inside a mineral during its formation, as a defect in a precious stone.
  5. A nuclear or cytoplasmic aggregate of stainable substances.
  6. An object completely inside a tissue, such as epidermal inclusion cyst, a cyst in the epidermis.
  7. A mapping where the domain is a subset of the image.
  8. Restriction; limitation.

Etymology

Borrowed from Latin inclūsiō, inclūsiōnis, from the verb Latin inclūdō (“to shut in, enclose, insert”), from in- (“in”) + claudō (“to shut”), ultimately from Proto-Indo-European *kleh₂w- (“key, hook, nail”). By surface analysis, include + -sion. Doublet of enclosure.

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Definitions are from Wiktionary, extracted by Kaikki.org, and are available under the CC BY-SA 4.0 licence.