Definition of low noun from the Oxford Advanced Learner's Dictionary

     

    low

     noun
    noun
    BrE BrE//ləʊ//
     
    ; NAmE NAmE//loʊ//
     
    The Earth and the atmosphere
     
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    level/value
  1. 1a low level or point; a low figure The yen has fallen to an all-time low against the dollar. The temperature reached a record low in London last night. The government's popularity has hit a new low.
  2. difficult time
  3. 2a very difficult time in somebody’s life or career The break-up of her marriage marked an all-time low in her life. We all experience highs and lows in life.
  4. weather
  5. 3an area of low pressure in the atmosphere Another low is moving in from the Atlantic. opposite high See related entries: The Earth and the atmosphere
  6. Word Originnoun Middle English: from Old Norse lágr, of Germanic origin; related to Dutch laag, also to lie.Extra examples He had experienced all the highs and lows of an actor’s life. Morale is at an all-time low. The pound has hit a new low against the dollar.
See the Oxford Advanced American Dictionary entry: low