year

Definitions

1. noun

   A period of 365 or 366 days, as on a calendar.

   Examples

   • A normal year has 365 days.
   • The lease runs for a full year.
   ≈annum≈mul:a
2. noun

   A period of twelve months, counting from any day.

   Examples

   • We moved to this town a year ago.
   • I quit smoking exactly one year ago.
   ≈annum≈mul:a
3. noun

   A level or grade in school or college.

   Examples

   • Every second year student must choose a subject.
   • The exams in year twelve are the hardest.
4. noun

   The period from the first to the last day of a calendar.

   Examples

   • A leap year has 366 days.
   • I was born in the year 1950.
   ≈calendar year≈civil year≈legal year≈winter (one of an especially great number of years,
5. noun

   A period of the year spent on one activity.

   Examples

   • During this school year I have to get up at 6:30.
   • The school year begins in September.
6. noun

   The time the Earth takes to go through all four seasons.

   Examples

   • A solar year is slightly shorter than a calendar year.
   • Scientists use the solar year to track the seasons.
   ≈annum≈mul:a
7. noun

   The time the Earth takes to go around the Sun once, measured by the stars.

   Examples

   • A sidereal year is about twenty minutes longer than a solar year.
   • Scientists measure the year against distant stars.
   ≈annum≈mul:a≈solar year≈equinoctial year≈sun +3 more
8. noun

   The time the moon takes to go through its phases twelve times.

   Examples

   • The Islamic calendar follows a lunar year of about 354 days.
   • A lunar year is about eleven days shorter than a solar year.
   ≈annum≈mul:a
9. noun

   A year of exactly 365.25 days, used in old calendars and astronomy.

   Examples

   • Astronomers use the Julian year to measure long periods.
   • A Julian year is exactly 365.25 days.
   ≈annum≈mul:a
10. noun

    The time a planet takes to go around its star once.

    Examples

    • Mars goes around the sun once in a Martian year.
    • A year on Jupiter lasts nearly twelve Earth years.
    ≈anomalistic year≈galactic year≈Gaussian year≈Great Year≈lunar year +5 more