Noun pressure level has 1 sense
  1. pressure, pressure level, force per unit area - the force applied to a unit area of surface; measured in pascals (SI unit) or in dynes (cgs unit); "the compressed gas exerts an increased pressure"
    --1 is a kind of physical phenomenon
    --1 has particulars:
     blood pressure; gas pressure; head; hydrostatic head; intraocular pressure; oil pressure; osmotic pressure; radiation pressure, corpuscular-radiation pressure; sound pressure, instantaneous sound pressure; suction; vapor pressure, vapour pressure
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