inclusion

Pronunciation

• IPA: /ɪnˈkluːʒən/^[1]

Etymology

It is borrowed from Latin inclūsiō (“a shutting up, confinement”), inclūsiōnem,^[2][3][4] from inclūsus, past participle of inclūdere, to shut in (see include).^[2][5]

Earliest recorded meaning

The act of making a part of, including: 1600, about 1600 in Etymonline.^[6][2][3]

Semantic evolution

That which is included is from 1839,^[2][6] especially in mineralogy a gaseous, liquid or solid body enclosed in a mineral or rock.^[6][7] In mathematics an inclusion mapping is from 1949.^[6] The policy of including people who might otherwise be excluded, as those with disabilities, is a recent sense.^[8]

Timeline

• 1600 – including.^[6]
• 1839 – something included.^[6]
• 1949 – inclusion mapping.^[6]

Modern meaning

Noun

1. The act of including, or the state of being included.
2. Something included.
3. A foreign body enclosed in a mineral or rock, or a nonliving mass in a cell.
4. The practice of including people who might otherwise be excluded; inclusivity.

Word family

• inclusionary
• noninclusion
• preinclusion
• reinclusion
• inclusion complex
• inclusion map

Related words

• include
• inclusive
• exclusion
• conclusion

References

1. ^ Wiktionary, the free dictionary, https://en.wiktionary.org
2. ^ a b c d Harper, Douglas. Online Etymology Dictionary, https://www.etymonline.com
3. ^ a b Merriam-Webster Unabridged Dictionary (2024), online ed., Springfield, Mass.: Merriam-Webster
4. ^ Shorter Oxford English Dictionary on Historical Principles (2002), 5th ed., ed. William R. Trumble and Angus Stevenson, Oxford: Oxford University Press
5. ^ Pearsall, Judy, ed. (1998), The New Oxford Dictionary of English, Oxford: Clarendon Press
6. ^ a b c d e f g Simpson, J. A.; Weiner, E. S. C., eds. (1989), The Oxford English Dictionary, 2nd ed., Oxford: Clarendon Press
7. ^ The American Heritage Dictionary of the English Language (1992), 3rd ed., Boston: Houghton Mifflin
8. ^ Collins English Dictionary (2023), Glasgow: HarperCollins