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When two facts, ideas, or things are correlative, they belong together: each one points to the other, and you cannot really have one without the other. It is stronger than just “related.” Rights and duties are a classic pair — if you have a right, someone else has a duty that matches it. Cause and effect are often talked about this way too, though actually people also use correlative more loosely to mean “these two things tend to move together,” closer to a correlation than a true pair. The word is formal. You meet it in law, philosophy, and school writing, not in chat. Everyday English would say they go together, they depend on each other, or they are linked. There is also a grammar use: correlative conjunctions come in pairs that work as a team, such as either…or, neither…nor, both…and, not only…but also. That is the same idea — two parts that need each other.
相互關聯的；對應的（文法：對等連接詞，如 either…or）
組成Built as correlate + -ive (“having the quality of”). Correlate itself is cor- (“together”) + relate. Another analysis treats it as cor- + relative.
同家族的字
- correlatethe verb: two things correlate when they move or occur together
- correlationthe noun for that relationship
- relativeshares the ‘relate / relative’ piece if you split it as cor- + relative
原始詞典資料3 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。
correlativeadj
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Mutually related; corresponding.
- If we reinterpret these phenomena in terms of a consistently game-playing model of behavior, the need to distinguish between primary and secondary gains disappears. The correlative necessity to estimate the relative significance of physiological needs and dammed-up impulses on the one hand, and of social and interpersonal factors on the other, also vanishes. Since needs and impulses cannot be said to exist in human social life without specified rules for dealing with them, instinctual needs cannot be considered solely in terms of biological rules, but must also be viewed in terms of their psychosocial significance—that is, as parts of the game.
correlativenoun
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formalEither of two correlative things.
- The actual motivation for this separation was a curious mixture of arrogance and respect: the new arrogance of the administrators abroad who faced 'backward populations' or 'lower breeds' found its correlative in the respect of old-fashioned statesmen at home who felt that no nation had the right to impose its law upon a foreign people.
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grammarhuman-scienceslinguisticsA pro-form; a non-personal pronominal, proadjectival, or proadverbial form
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。