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A disjunction is a difference between two things you would expect to line up. The poster says one thing; daily life says another. The numbers in the report do not match the story the boss is telling. The two sides should agree, and they do not — that split is the disjunction. Though actually, this is a rather formal, essay-and-lecture word. Journalists and academics like it because it sounds careful. Most people would say gap, , or disconnect. It does not mean a road junction: a junction is where things join; a disjunction is where they fail to. There is also a classroom sense in logic and grammar, where a disjunction is an or — this or that. You mainly meet that sense in a textbook, not in the newspaper. The meaning you will meet in serious writing is the these-two-should-match-and-they-don't one.
脫節；落差
組成From Old French disjunction, from Latin disiunctiō: dis- (apart) plus the same join root you meet in junction.
同家族的字
- junctiona joining; this is a failure to join
- conjunctiona joining-together, in grammar and in the same Latin family
- disjunctivethe adjective from the same root
- disjointpulled apart, from the same join root
原始詞典資料5 筆記錄
以下是外部詞典記錄的用法，原文照列，我們還沒有寫成教學內容。上面的說明才是我們自己寫的；有些用法可能上面已經講過了。
disjunctionnoun/dɪsˈdʒʌŋk(t)ʃən/
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The act of disjoining; disunion, separation.
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The state of being disjoined, contrasting, or opposing.
- the disjunction expressed by disjunctive conjunctions, such as but or or
- The disjunction between the despotism the British had been practising in India and the liberal, secular, democratic trends of their domestic politics was too embarrassing to endure indefinitely.
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human-scienceslogicmathematicsThe proposition resulting from the combination of two or more propositions using the or operator.
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mathematicssciencesA logical operator that results in “true” when any of its operands are true.
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biologynatural-sciencesDuring meiosis, the separation of chromosomes (homologous in meiosis I, and sister chromatids in meiosis II).
資料來源：英文維基詞典 English Wiktionary（CC BY-SA 4.0）。 原文照列，未經改寫。