Dictionary

adjoin en · VERB

Pronunciation

• ə-join'
• (Canada) audio
• /əˈd͡ʒoɪn/ (Australia, New-Zealand)
• /əˈd͡ʒɔɪn/ (Canada, General-American, Received-Pronunciation)
• (US) audio
• (Southern-England) audio

Etymology

From Anglo-Norman adjoindre, from Latin adiungō.

Meanings

1. (ambitransitive) To share a common boundary or border with; to be physically contiguous to (a piece of land or property).
   • It's at this point that these three neighbourhoods adjoin.
   • We were in the living area, which adjoins the kitchen. 2013, Graeme Simsion, The Rosie Project, →ISBN, page 55:
   • '[…] The land was so very desirable for me in every respect, so immediately adjoining my own property, that I felt it my duty to buy it. […]' 1811, [Jane Austen], chapter XI, in Sense and Sensibility […], volume II, London: […] C[harles] Roworth, […], and published by T[homas] Egerton, […], →OCLC:
   • The living room and dining room adjoin each other.
2. (transitive) To extend an algebraic object (e.g. a field, a ring, etc.) by adding to it an element not belonging to it and then ensuring closure, for example by also adding all finite power series of the element.
   • The ring adjunction #92;mathbb#123;Q#125;#91;#92;sqrt#123;2#125;#93; can be obtained from #92;mathbb#123;Q#125; by adjoining #92;sqrt#123;2#125; to #92;mathbb#123;Q#125;.
   • The field adjunction #92;mathbb#123;Q#125;(#92;pi) can be obtained from #92;mathbb#123;Q#125; by adjoining #92;pi to #92;mathbb#123;Q#125;.

Forms

Deriveds

adjoinedly · adjoining

Relateds

adjunction

Translations (13)

gl testar (to be in contact or connection with) · bg допирам се (to be in contact or connection with) · fr adjoindre (mathematics: to add (an element) to a structure) · ru грани́чить (to be in contact or connection with) · gd bi dlùth ri (to be in contact or connection with) · fi olla vierekkäin (to be in contact or connection with) · ru примыка́ть (to be in contact or connection with) · cs sousedit (to be in contact or connection with) · ru сосе́дствовать (to be in contact or connection with) · es colindar con (to be in contact or connection with) · bg гранича (to be in contact or connection with) · es lindar con (to be in contact or connection with) · fr adjoindre (to be in contact or connection with)