inclusion
Pluralinclusions (some meanings)
- 1The act of adding someone or something to a group, set, or total.
Like adding a new name to a list everyone shares.
The team celebrated the inclusion of three new members this year.
Her inclusion in the science club made her very happy.
Similaraddition, incorporation
- 2
- 3A bit of foreign material trapped inside another material.
Like a small stone baked by accident into a loaf of bread.
The plastic part had a tiny inclusion that made it weak.
Workers found several inclusions in the metal bar.
Similarimpurity
Note
- 4
- 5A clump of material inside a cell that soaks up dye and can be seen under a microscope.
Like a small lump you can spot inside a clear jelly.
The doctor saw an inclusion inside the virus-infected cell.
Under the microscope, an inclusion showed up as a dark spot.
Note
- 6An object fully enclosed within body tissue, like a small cyst under the skin.
Like a seed sealed completely inside a piece of fruit.
The surgeon removed an inclusion from beneath the patient's skin.
An inclusion in the tissue showed up clearly on the scan.
Note
- 7In math, a map that sends each item of a smaller set to the same item in the bigger set.
Like pointing to each kid in a small group, then finding the same kid in the whole class.
The inclusion sends every number in the small set to the big set.
We drew the inclusion as an arrow going from one set into another.
Note
Less common meaning
- 8A limit or restriction placed on something.
Like a fence that keeps you inside a small yard.
The old law set a strict inclusion on how the merchant could trade.
They complained of the heavy inclusion placed upon their freedom.
Note
Practice
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Origin
It comes from Latin inclusio, from the verb includo meaning "to shut in" or "enclose," made from in- ("in") and claudo ("to shut").