Dean thought later how pivotal that moment was in his marriage.
This is why the work of the IAEA is so pivotal.
He was pivotal in helping to move the net from a purely academic group in the UK to the commercial environment.
Tumor necrosis factor alpha also plays a pivotal part in inflammation.
Since the start of the relationship between movies and advertising sales, movie posters have been pivotal in letting those who already attend the movies know that a new film they may be interested in will soon be released.