Adjoin definition

ə-join
To be next to; be contiguous to.

Property that adjoins ours.

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To attach.
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To be contiguous.
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To be next to; be contiguous to.
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To unite or annex (to a person or thing)
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To be next to each other; be in contact.
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To be in contact or connection with.

The living room and dining room adjoin each other.

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(mathematics, chiefly algebra and number theory) To extend an algebraic object (e.g. a field, a ring, etc.) by adding to it (an element not belonging to it) and all finite power series of (the element).

Can be obtained from by adjoining to .

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Origin of adjoin

  • Middle English ajoinen from Old French ajoindre ajoin- from Latin adiungere to join to ad- ad- iungere to join yeug- in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Anglo-Norman adjoindre, from Latin adiungō.

    From Wiktionary