epochal
adj[ˈɛ.pək.əl] · [ˈiː.pɒk.əl]
Etymology From epoch + -al.
1
Of or pertaining to an epoch.
2
Figuratively Highly important or significant; monumental, epoch-making.
- But they were the great epochal design; their influence on locomotive development is felt to this day and their niche in railway history is secure.1954 May, John W. Grant, “A Railway Requiem”, in Railway Magazine, page 351:
- It had been an epochal decade for cancer epidemiology, but equally, an epochal decade for tobacco.2010, Siddhartha Mukherjee, The Emperor of All Maladies, Fourth Estate (2011), page 250:
- Derived terms
- epochality, epochally, nonepochal