disagree, agreeable and love one another
Yes, "after a heated discussion" is a prepositional phrase. The word "after" is the preposition, and "a heated discussion" is the object of the preposition.
a independent clause
They engaged in a heated discussion over politics. The discussion raged on for hours. The presidential discussion quickly turned into a debate.
heated discussion
Her polemical stance created a heated discussion.
The Cobalt Group. After heated discussion with a Physic professor, I finally got him to recognize Group 9 elements have a total of 9 valence electrons and therefore have no business being labeled as VIIIB elements.
I am not from Nairobi. And I have not heated any record of it.
Nikita Khrushchev
Wood because it does not melt and/or get really hot. Metal, when heated, gets super hot. Plastic, when heated, melts.
Believe it or not, they had curling irons back then. They were metal wands with a wooden handle that you heated on a stove.
Just to be on the safe side, I'd try to stay mellow and avoid any heated discussions !
The French phrase "tete-a-tete" (head-to-head) generally refers to an argument, or at least very animated discussion.