We've found 780 definitions containing the term:years...(0.47 seconds)
quinquennialWebster Dictionary
occurring once in five years, or at the end of every five years; also, lasting five years... quinquennial event
metemptosisWebster Dictionary
the suppression of a day in the calendar to prevent the date of the new moon being set a day too late, or the suppression of the bissextile day once in 134 years. The opposite to this is the proemptosis, or the addition of a day every 330 years, and another every 2,400 years
sarosWebster Dictionary
a Chaldean astronomical period or cycle, the length of which has been variously estimated from 3,600 years... 3,600 days, or a little short of 10 years
seventeen-year locust(ˈsɛv ənˈtinθ)Random House Webster's College Dictionary
a cicada, Magicicada septendecim, of the eastern U.S., having nymphs that live in the soil, usu. emerging in great numbers after 17 years... the North or 13 years... the South.
yearedWebster Dictionary
containing years; having existed or continued many years; aged
quadrennialWebster Dictionary
occurring once in four years, or at the end of every four years; as, quadrennial games
tricennialWebster Dictionary
of or pertaining to thirty years; consisting of thirty years; occurring once in every thirty years
pleistocene(ˈplaɪ stəˌsin)Random House Webster's College Dictionary
of or pertaining to the geologic epoch forming the earlier half of the Quaternary Period, beginning about two million years ago and ending ten thousand years ago, the time of the last Ice Age and the advent of modern humans.
ludditeWebster Dictionary
one of a number of riotous persons in England, who for six years (1811-17) tried to prevent the use of labor-saving machinery by breaking it, burning factories, etc.; -- so called from Ned Lud, a half-witted man who some years previously had broken stocking frames
septenaryWebster Dictionary
lasting seven years; continuing seven years
sexennialWebster Dictionary
lasting six years, or happening once in six years
olympic games(əˈlɪm pɪk, oʊˈlɪm-)Random House Webster's College Dictionary
a modern international sports competition traditionally held every four years but, after 1992, with Summer Games and Winter Games alternating every two years.
leap year(ɛpt, lipt)Random House Webster's College Dictionary
(in the Gregorian calendar) a year that contains 366 days, with February 29 as an additional day: occurring in years whose last two digits are evenly divisible by four, except for centenary years not divisible by 400.
lustrumWebster Dictionary
a lustration or purification, especially the purification of the whole Roman people, which was made by the censors once in five years. Hence: A period of five years
paleolithic(Paleolithic Age, Paleolithic, Palaeolithic)Princeton's WordNet
second part of the Stone Age beginning about 750,00 to 500,000 years... and lasting until the end of the last ice age about 8,500 years...
palaeolithic(Paleolithic Age, Paleolithic, Palaeolithic)Princeton's WordNet
second part of the Stone Age beginning about 750,00 to 500,000 years... and lasting until the end of the last ice age about 8,500 years...
paleolithic age(Paleolithic Age, Paleolithic, Palaeolithic)Princeton's WordNet
second part of the Stone Age beginning about 750,00 to 500,000 years... and lasting until the end of the last ice age about 8,500 years...
decennialWebster Dictionary
consisting of ten years; happening every ten years; as, a decennial period; decennial games
decadeWebster Dictionary
a group or division of ten; esp., a period of ten years... decennium; as, a decade of years... days; a decade of soldiers; the second decade of Livy
archaeozoic(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archeozoic(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archean aeon(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archeozoic eon(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archean eon(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archaeozoic aeon(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
archean(Archean, Archean eon, Archean aeon, Archeozoic, Archaeozoic, Archeozoic eon, Archaeozoic aeon)Princeton's WordNet
the time from 3,800 million years... 2,500 million years ago; earth's crust formed; unicellular organisms are earliest forms of life
hadean(Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan eon, Priscoan aeon)Princeton's WordNet
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
hadean aeon(Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan eon, Priscoan aeon)Princeton's WordNet
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
hadean eon(Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan eon, Priscoan aeon)Princeton's WordNet
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
hadean time(Hadean, Hadean time, Hadean eon, Hadean aeon, Priscoan, Priscoan eon, Priscoan aeon)Princeton's WordNet
the earliest eon in the history of the Earth from the first accretion of planetary material (around 4,600 million years ago) until the date of the oldest known rocks (about 3,800 million years ago); no evidence of life
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