역사나 인생에서 특정한 사건이나 특징으로 구분되는 중요한 시대 또는 시기
A significant period in history or a person's life, characterized by specific events or features.
예문:
"The digital epoch has fundamentally changed how humans communicate and share information."
"Historians often debate the exact events that defined the Elizabethan epoch."
역사나 발전 과정에서 새로운 시기가 시작되는 지점 또는 전환점이 되는 획기적인 사건
The beginning of a new and distinctive period in history or development; a turning point.
예문:
"The invention of the steam engine marked a new epoch in industrial production."
"This peace treaty represents a hopeful epoch in the long-standing conflict between the two nations."
지질 시대 구분에서 '기'를 나눈 단위로, '연대'보다 짧고 '절'보다 긴 시간 단위
A unit of geological time that is a subdivision of a period and is further divided into ages.
예문:
"The Holocene epoch encompasses the most recent period of Earth's history since the last ice age."
"Scientists are discussing whether human impact justifies naming a new Anthropocene epoch."
천체의 좌표나 궤도 요소를 계산하기 위해 기준으로 삼는 임의의 고정된 시점
A fixed point in time used as a reference for calculating the coordinates or orbital elements of celestial bodies.
예문:
"The position of the star was precisely calculated using the standard J2000.0 epoch."
"Astronomers must account for the epoch when comparing observations made decades apart due to axial precession."