相互作用する
解説 Definition
interacts は interact（相互作用する）の三人称単数現在形です。物質・システム・人などが互いに影響し合うことを表し、通常は with を伴って使われます。
The third-person singular present form of “interact,” meaning that one person, substance, system, or force acts upon or communicates with another in a way that produces a mutual effect. It is commonly followed by “with” to identify the other participant.
覚え方のコツ Memory Tip
原形 interact に三人称単数現在の -s を付けた形で、語末は /ækts/ と発音します。inter-「間で」と act「働く」から、二者が互いに影響する像を作りましょう。This drug interacts with food のように、主語が単数のときの interacts with を一組で覚えます。
Interacts is interact plus the third-person singular ending -s. Since interact ends in the voiceless sound /t/, the ending is pronounced /s/, producing /ækts/ at the end. Break the word into inter-, “between,” and act, “operate or do something”: two things act between or upon each other. Learn it in the frequent pattern “interacts with,” as in “the drug interacts with food” or “the software interacts with the database.” Use interacts when the present-tense subject is singular, such as it, heat, or the software.
例文
This drug interacts with some foods.
この薬はいくつかの食品と相互作用します。
The software interacts with the main database.
そのソフトウェアはメインデータベースと相互作用します。
Heat interacts with moisture and changes the material.
熱は湿気と相互作用し、その素材を変化させます。
interacts の類義語・関連語
類義語
対義語
紛らわしい語
interacts の語源・成り立ち Etymology
ラテン語 inter（相互に）+ agere（行動する）から成る interact の三人称単数形。「互いに作用し合う」が原義。関連語：action（行動）、agent（作用者）。inter- の「間で」と act の「働く」で、双方向の働きかけを表す。
Interacts is the third-person singular form of interact. The base verb was formed from inter-, from Latin inter, “between or among,” and act, ultimately from Latin agere, “to do, drive, or act.” Its structure therefore presents action occurring between participants. In modern English, interact can describe reciprocal communication or mutual effects among people, substances, forces, and systems. The final -s marks agreement with a singular present-tense subject.
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