| 单词 | epoch |
| 释义 | epoch (once / 544 pages) n An epoch is a period of time marked by certain characteristics: you might describe several peaceful decades in a nation's history as an epoch of peace. In geologic time, an epoch is a division of a period, and an age is a division of an epoch. An epoch can also mean the beginning of a new and important period of history, or an event that marks such a period: an epoch in the world of ballet. The noun epoch is from New Latin epocha, from Greek epochē "pause, check, fixed time. WORD FAMILYepoch: epochal, epochs+/epochal: epochally USAGE EXAMPLESThe song from 1988 reminds me of the necessity of positivity as a force in this relentless epoch of fear. Seattle Times(Dec 30, 2016) It boasts lakes and streams dating from the Pleistocene Epoch, 100 species of migratory birds and an active fishery. Washington Post(Dec 15, 2016) Epochs demarcate time on the order of a few million years. Nature(Dec 13, 2016) 1n a period marked by distinctive character or reckoned from a fixed point or event Syn|Exp|Hypo|Hyper era Caliphate the era of Islam's ascendancy from the death of Mohammed until the 13th century; some Moslems still maintain that the Moslem world must always have a calif as head of the community Christian erathe time period beginning with the supposed year of Christ's birth Age of Reasona movement in Europe from about 1650 until 1800 that advocated the use of reason and individualism instead of tradition and established doctrine Elizabethan agea period in British history during the reign of Elizabeth I in the 16th century; an age marked by literary achievement and domestic prosperity Victorian agea period in British history during the reign of Queen Victoria in the 19th century; her character and moral standards restored the prestige of the British monarchy but gave the era a prudish reputation Baroque periodthe historic period from about 1600 until 1750 when the baroque style of art, architecture, and music flourished in Europe Middle Agesthe period of history between classical antiquity and the Italian Renaissance Renaissancethe period of European history at the close of the Middle Ages and the rise of the modern world; a cultural rebirth from the 14th through the middle of the 17th centuries Italian Renaissancethe early period when Italy was the center of the Renaissance technological revolutionthe transformation from an agricultural to an industrial nation Reign of Terrorthe historic period (1793-94) during the French Revolution when thousands were executed Harlem Renaissancea period in the 1920s when African-American achievements in art and music and literature flourished New Dealthe historic period (1933-1940) in the United States during which President Franklin Roosevelt's economic policies were implemented Reconstruction Periodthe period after the American Civil War when the southern states were reorganized and reintegrated into the Union; 1865-1877 Restorationthe reign of Charles II in England; 1660-1685 Great Depressiona period during the 1930s when there was a worldwide economic depression and mass unemployment day an era of existence or influence age, historic periodan era of history having some distinctive feature modern erathe present or recent times antiquitythe historic period preceding the Middle Ages in Europe golden ageany period (sometimes imaginary) of great peace and prosperity and happiness information agea period beginning in the last quarter of the 20th century when information became easily accessible through publications and through the manipulation of information by computers and computer networks Jazz Agethe 1920s in the United States characterized in the novels of F. Scott Fitzgerald as a period of wealth, youthful exuberance, and carefree hedonism reignthe period during which a monarch is sovereign turn of the centurythe period from about ten years before to ten years after a new century period, period of time, time period an amount of time 2n a unit of geological time that is a subdivision of a period and is itself divided into ages Exp|Hyper Holocene epoch approximately the last 10,000 years Pleistocene epochfrom two million to 11 thousand years ago; extensive glaciation of the northern hemisphere; the time of human evolution Pliocene epochfrom 13 million to 2 million years ago; growth of mountains; cooling of climate; more and larger mammals Miocene epochfrom 25 million to 13 million years ago; appearance of grazing mammals Oligocene epochfrom 40 million to 25 million years ago; appearance of sabertoothed cats Eocene epochfrom 58 million to 40 million years ago; presence of modern mammals Paleocene epochfrom 63 million to 58 million years ago; appearance of birds and earliest mammals geologic time, geological time the time of the physical formation and development of the earth (especially prior to human history) 3n (astronomy) an arbitrarily fixed date that is the point in time relative to which information (as coordinates of a celestial body) is recorded Syn|Hyper date of reference date the particular day, month, or year (usually according to the Gregorian calendar) that an event occurred |
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