adjoin

== English == === Etymology === From Anglo-Norman adjoindre, from Latin adiungō. === Pronunciation === enPR: ə-join' (Received Pronunciation, General American, Canada) IPA(key): /əˈd͡ʒɔɪn/ (Australia, New Zealand) IPA(key): /əˈd͡ʒoɪn/ Rhymes: -ɔɪn === Verb === adjoin (third-person singular simple present adjoins, present participle adjoining, simple past and past participle adjoined) (transitive) To be in contact or connection with. (transitive, 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 then ensuring closure, for example by also adding all finite power series of the element. ==== Derived terms ==== ==== Related terms ==== adjunction ==== Translations ====