| NOUN | time | epoch, era | a period marked by distinctive character or reckoned from a fixed point or event |
|---|---|---|---|
| time | epoch, date of reference | (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded | |
| time | epoch | a unit of geological time that is a subdivision of a period and is itself divided into ages |
| Sounds | eh'pahk; iy'pahk | |
|---|---|---|
| Rhymes | aeronautic ... Zanuck: 70 rhymes with ahk... | |
| Meaning | A period marked by distinctive character or reckoned from a fixed point or event. | |
|---|---|---|
| Synonym | era | |
| Instances | Caliphate | The era of Islam's / Islam's ascendancy from the death of Mohammed until the 13th century |
| Christian era, Common era | The time period beginning with the supposed year of Christ's birth | |
| Narrower | day | An era of existence or influence |
| historic period, age | An era of history having some distinctive feature | |
| modern era | The present or recent times | |
| Broader | time period, period of time, period | An amount of time |
| Spanish | época, era, período | |
| Catalan | època, era, període | |
| Adjectives | epochal | highly significant or important especially bringing about or marking the beginning of a new development or era |
| Meaning | (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded. | |
|---|---|---|
| Synonym | date of reference | |
| Category | astronomy, uranology | The branch of physics that studies celestial bodies and the universe as a whole |
| Broader | date | The particular day, month, or year (usually according to the Gregorian calendar) that an event occurred |
| Spanish | época | |
| Meaning | A unit of geological time that is a subdivision of a period and is itself divided into ages. | |
|---|---|---|
| Instances | Eocene, Eocene epoch | From 58 million to 40 million years ago |
| Holocene, Holocene epoch, Recent, Recent epoch | approximately the last 10,000 years | |
| Miocene, Miocene epoch | From 25 million to 13 million years ago | |
| Oligocene, Oligocene epoch | From 40 million to 25 million years ago | |
| Paleocene, Paleocene epoch | From 63 million to 58 million years ago | |
| Pleistocene, Pleistocene epoch, Glacial epoch | From two million to 11 thousand years ago | |
| Pliocene, Pliocene epoch | From 13 million to 2 million years ago | |
| Part of | period, geological period | A unit of geological time during which a system of rocks formed |
| Broader | geological time, geologic time | The time of the physical formation and development of the earth (especially prior to human history) |
| Spanish | época | |
| Catalan | època | |
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