day meaning

EN[deɪ] [-eɪ]
  • A day is a unit of time. In common usage, it is an interval equal to 24 hours. It also can mean the consecutive period of time during which the Sun is above the horizon of a location, also known as daytime.
  • Several definitions of this universal human concept are used according to context, need and convenience. In 1967, the second was redefined in terms of the wavelength of light, and it became the SI base unit of time.
  • In recent decades the average length of a solar day on Earth has been about 86 400.002 seconds (24.0000006 hours) and there are about 365.2422 solar days in one mean tropical year.
EN Day

    Definition of day in English Dictionary

  • NounPLdays
    1. Any period of 24 hours.
      1. I've been here for two days and a bit. ‎
    2. A period from midnight to the following midnight.
      1. The day begins at midnight. ‎
    3. (astronomy) Rotational period of a planet (especially Earth).
      1. A day on Mars is slightly over 24 hours. ‎
    4. The part of a day period which one spends at one’s job, school, etc.
      1. I worked two days last week. ‎
    5. Part of a day period between sunrise and sunset where one enjoys daylight; daytime.
      1. day and night;  I work at night and sleep during the day. ‎
    6. A specified time or period; time, considered with reference to the existence or prominence of a person or thing; age; time.
      1. Every dog has its day. ‎
    7. A period of contention of a day or less.
      1. The day belonged to the Allies. ‎
  • VerbSGdaysPRdayingPT, PPdayed
    1. (rare) To spend a day (in a place).
    2. More Examples
      1. Used in the Middle of Sentence
        • Cabrera's Valentine's Day monopole detection or some extremely energetic cosmic rays could be examples of snarks.
        • You have only to quininize your patient on the day preceding, and continue it until the 7th, 14th, or 21st days shall have passed, to break up the disease.
        • He's been on his soapbox all day about the new football coach.
      2. Used in the Beginning of Sentence
        • Days after announcing his presidential bid, Senator Rand Paul, Republican of Kentucky, tried a quirky approach to skipable online video, first popularized by Geico.
      3. Used in the Ending of Sentence
        • I think I've really annoyed him this time - he won't even give me the time of day!
        • Unless you're a celebrity, he won't give you the time of day.
        • Having underordered the popular new toys, we ran out within half a day.
    • Part-of-Speech Hierarchy
      1. Nouns
        • Countable nouns
        • Verbs
        Related Links:
        1. en days
        2. en daylight
        3. en daybreak
        4. en daytime
        5. en daydream
        Source: Wiktionary
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        Meaning of day for the defined word.

        Grammatically, this word "day" is a noun, more specifically, a countable noun. It's also a verb.
        Difficultness: Level 1
        Easy     ➨     Difficult
        Definiteness: Level 9
        Definite    ➨     Versatile