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This page has 10 definitions of year in English and Scots. Year is a noun. Examples of how to use year in a sentence are shown. Also define these 31 related words and terms: solar year, time, Earth, revolution, Sun, day, planet, dwarf planet, small Solar System body, comet, star, period, date, Gregorian calendar, Jewish calendar, Islamic calendar, calendar year, activity, sciences, Julian year, a, level, grade, school, college, lifespan, dog year, pronunciation spelling, here, hear, and year.



Etymology 1

From Middle English yeer, yere, from Old English ġēar (year), from Proto-West Germanic *jār, from Proto-Germanic *jērą (year), from Proto-Indo-European *yóh₁r̥ (year, spring).

Alternative forms


year (plural years)

  1. A solar year, 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).
    we moved to this town a year ago;  I quit smoking exactly one year ago
    • Solar Year definition
      The time it takes the Earth to pass once around the Sun, as reckoned with respect to the seasons and not the fixed stars (for instance from vernal equinox to vernal equinox). (1 of 2 solar year definitions)
  2. (by extension) The time it takes for any astronomical object (such as a planet, dwarf planet, small Solar System body, or comet) in direct orbit around a star (such as the Sun) to make one revolution around the star.
    Mars goes around the sun once in a Martian year, or 1.88 Earth years.
    • Star definition
      Any small luminous dot appearing in the cloudless portion of the night sky, especially with a fixed location relative to other such dots. (1 of 12 star definitions)
  3. A period between set dates that mark a year, from January 1 to December 31 by the Gregorian calendar, from Tishiri 1 to Elul 29 by the Jewish calendar, and from Muharram 1 to Dhu al-Hijjah 29 or 30 by the Islamic calendar.
    • 2013 July 20, “The attack of the MOOCs”, in The Economist, volume 408, number 8845:
      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 normal year has 365 full days, but there are 366 days in a leap year.
    I was born in the year 1950.
    This Chinese year is the year of the Ox.
  4. A scheduled part of a calendar year spent in a specific activity.
    During this school year I have to get up at 6:30 to catch the bus.
  5. (sciences) A Julian year, exactly 365.25 days, represented by "a".
    • Julian Year definition
      A year in the old Julian calendar that has either 365 or 366 days. (1 of 2 Julian year definitions)
  6. A level or grade in school or college.
    Every second-year student must select an area of specialization.
    The exams in year 12 at high school are the most difficult.
  7. The proportion of a creature's lifespan equivalent to one year of an average human lifespan (see also dog year).
    Geneticists have created baker's yeast that can live to 800 in yeast years.
    • Dog Year definition
      A period of time in the life of dogs, defined such that the average life expectancy of a dog in "dog years" is numerically equivalent to the average life expectancy of a human. A 4- and a 5-year-old dog are about as mature as a human of 28 to 30 years and 33 to 35 years, respectively. The most common calcuation uses a ratio of seven dog years to one human year. (1 of 2 dog year definitions)
Derived terms


See also



Etymology 2



  1. Pronunciation spelling of here.
    • Pronunciation Spelling definition
      Spelling intended to represent a pronunciation, which may or may not be the standard spelling of the word.
  2. Pronunciation spelling of hear.




From Middle English yeer, yere, from Old English ġēr, ġēar (year), from Proto-West Germanic *jār, from Proto-Germanic *jērą (year), from Proto-Indo-European *yōro-, *yeh₁ro- (year, spring), *yeh₁-.



year (plural year)

  1. year