epochal

figuratively

Of or pertaining to an epoch. / (figuratively) Highly important or significant; monumental, epoch-making.

Japanese Meaning

時代に関連する、または時代を特徴づける / 非常に重要または意味深長で、画期的な

The historian pointed to the epochal boundary in the rock record as evidence of a major climatic shift.

歴史家は地層の記録に見られる時代に関する境界を、気候の大幅な変化の証拠として指摘した。

Sense（1）

Of or pertaining to an epoch.

Sense（2）

(figuratively) Highly important or significant; monumental, epoch-making.

It had been an epochal decade for cancer epidemiology, but equally, an epochal decade for tobacco.

more epochal

（ comparative ）

most epochal

（ superlative ）