What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Year vs Lustrum - What's the difference?

year | lustrum |

As nouns the difference between year and lustrum

is that year is the time it takes the earth to complete one revolution of the sun (between 36524 and 36526 days depending on the point of reference) while lustrum is (roman religion) a lustration or ceremonial purification of all the ancient roman people, performed every five years, after the taking of the census.

year

English

Alternative forms

* (obsolete) * (obsolete)

Noun

(wikipedia year) (en noun)
  • The time it takes the Earth to complete one revolution of the Sun (between 365.24 and 365.26 days depending on the point of reference).
  • (by extension) The time it takes for any planetary body to make one revolution around another body.
  • A period between set dates that mark a year, from January 1 to December 31 by the Gregorian calendar.
  • * {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
    • , title= The attack of the MOOCs , passage=Dotcom mania was slow in coming to higher education, but now it has the venerable industry firmly in its grip. Since the launch early last year of Udacity and Coursera, two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations.}}
  • A scheduled part of a calendar year spent in a specific activity.
  • (sciences) A Julian year, exactly 365.25 days, represented by "a".
  • A level or grade in school or college.
  • The proportion of a creature's lifespan equivalent to one year of an average human lifespan (see also dog year).

    • Synonyms

    * (one revolution of the Sun by the Earth) twelvemonth * (time to make one revolution by any body) anomalistic year, Gaussian year, sidereal year, tropical year * (period between set dates) calendar year, civil year, legal year * (specific uses) fiscal year, liturgical year, school year

    Derived terms

    * calendar year * civil year * dog year * donkey's years * fiscal year * gap year * golden years * in the year of our Lord * in the year of our Lord Jesus Christ * last year * leap year * legal year * liturgical year * on in years * school year * sidereal year * sunset years * the year dot * twilight years * yearbook * year by year * year-end * year-long * year of our Lord * year of our Lord Jesus Christ * -year-old * year-round * yearhundred * yearling * yearly * yesteryear

    Related terms

    * (smaller divisions) see'' , &c. * quarter, quarterly, season, seasonal * triannual * biannual, semiannual, twice-yearly * (roughly one year) quasi-annual * yearly, annual, per annum * (ages) See * biennium, biennial * triennium, triennial, trieterical * quadrennium, quadrennial * quinquennium, quinquenniad, quintennium, quinquennial, quintennial * sexennium, sexennial * septennium, septennial, septennary, septenniad, septenary, septenarian, septennian, septennual * octennium, octaeteris, octennial, octaeteric * novennium, novennial, enneaeteric, enneatic * decade, decennium, decadal, decennial * septendecennial * enneadecaeteris * vicennium, vicennial * tricennium, tricennial * century, yearhundred, centennial, centenary, centuried * bicentennial, bicentenary * tricentennial, tricentenary tercentennial, tercentenary * millennium, kiloyear (kyr), yearthousand, millennial * termillenary * megayear (Myr), mega-annum (Ma) * gigayear (Gyr), gigannum (Ga)

    See also

    * day * week * month

    Statistics

    *

    Anagrams

    * * * 1000 English basic words

    lustrum

    English

    Noun

    (lustra)
  • (Roman religion) A lustration or ceremonial purification of all the ancient Roman people, performed every five years, after the taking of the census.
  • A period of five years.
  • * 1835 , '', ''Tales of Mystery and Imagination , Folio Society 2007, p. 31:
    • Thus passed away two lustra of her life, and, as yet, my daughter remained nameless upon the earth.
  • * 1985 , John Fowles, A Maggot :
    • Q. Now, sir, if you would be so kind as to guess upon his age. A. Forty five years are certain. I would guess a lustrum more.

    Synonyms

    * quinquennium