Gerund functioning as an uncountable noun.
Effective learning often requires active interacting between teacher and students.
Un apprentissage efficace nécessite souvent une interaction active entre le professeur et les élèves.
interactinggerund / present participle Present-participle adjective describing entities that act upon or influence each other.
The interacting chemicals produced a visible color change.
Les substances chimiques interagissantes ont produit un changement de couleur visible.