at sea level meaning

  "at sea level" in a sentence
[American slang]
at the level of the surface of the ocean.
  It is easier to breathe at sea level than in the mountains.
   Boats on the ocean are at sea level, but those on rivers are not.


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  1. the air pressure at sea level is nearly 15 pounds for each square inch
  2. point pleasant is right at sea level, about 1 mile from the beach
  3. at this altitude the atmospheric pressure is half that at sea level, and thus delivers half the amount of oxygen per lungful
  4. Humans function more comfortably at sea level than at higher altitudes.
  5. At sea level, Mach 1 is the speed of sound.

Related Words

  1. at right angles meaning
  2. at risk meaning
  3. at risk rules meaning
  4. at rovers meaning
  5. at sea meaning
  6. at second hand meaning
  7. at short notice meaning
  8. at sight meaning
  9. at sign meaning
  10. at sixes and sevens meaning
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