Origin: Latin prefix inter-
Definition, synonyms and related words
plural of interaction
"The success of our new app depends heavily on how users interact with each other through comments and shared posts."
In plain English: Interactions are the ways people or things affect each other when they come into contact.
"The success of the new app depends on positive interactions between users."
Usage: Interactions refers to mutual actions or exchanges between people or things, such as social conversations or chemical reactions. Use this plural form when describing multiple instances of these exchanges occurring over time.
Derived from Latin interactionem, the present participle neuter singular of interagere (to act between), it originally meant mutual action or reciprocal influence. The term entered English in the mid-17th century to describe actions performed by two or more entities upon one another.