interaction

As a noun interaction

is the situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect resulting from such a situation or occurrence.

As an adjective undefined is

lacking a definition or value.

As an adjective cooperative

is .

As a noun interaction is

the situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect resulting from such a situation or occurrence.

As nouns the difference between response and interaction

is that response is (senseid)an answer or reply, or something in the nature of an answer or reply while interaction is the situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect resulting from such a situation or occurrence.

As a proper noun harmony

is or harmony can be (fandom slang) the ship of characters.

As a noun interaction is

the situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect resulting from such a situation or occurrence.

As nouns the difference between interaction and attraction

is that interaction is the situation or occurrence in which two or more objects or events act upon one another to produce a new effect; the effect resulting from such a situation or occurrence while attraction is the tendency to attract.