See Also: acoustic reference level(medicine)
point of reference(dictionary)
game point(dictionary)
Game Point - Tennis(gambling)
Herbal medicine (botanical medicine, herbology, phytomedicine)(health)
Medicine Lodge Memorial Hospital- Medicine Lodge(health)
Reference(money)
reference(dictionary)
Reference(medicine)
reference standards(medicine)

acoustic reference level (medicine) and game point (oh)


acoustic reference level (medicine)


acoustic Reference level


The biological Reference level for sound measurements. When the term decibel is used to indicate the noise level, a Reference quantity is implied; this Reference value is usually expressed as a sound pressure of 20 micronewtons per square meter. The Reference level is referred to as 0 decibels, the baseline of the scale of noise level's; this baseline is considered the weakest sound that can be heard by a person with very good hearing in an extremely quiet location. Other equivalent Reference level's still being used include 0.0002 microbar and 0.0002 dyne per square centimeter.


game point (oh)



n [U and C]
the situation in a game such as tennis in which one player will win the game if they win the next point
-see also match point match point