0 used to refer to times or events that are very important because they involve new developments and great change:
It was an epochal change, strongly felt in the fifteenth and sixteenth centuries.
This epochal paper, describing only three patients, shows a rare combination of clinical detail, clarity of rationale, and drama.
Short term variation is calculated as the average of successive epochal (1/16 minute) differences.
Importantly, the material itself is not thought to be representative of some epochal strategy or transcendental signification.
It was a period of epochal change for all the arts, subsidized, commercial, and alternative alike.
He draws our attention to an epochal judgment that initiated the ratio of one portion for daughters and two for sons in succession rules.
Their theorizing was meant to clarify what was at stake in that epochal contest.
Regarding the painting's relationship to epochal transitions, it is perhaps significant that a mixture of pedestrians and horse-drawn carts populate this area.
