Environmental Science
In environmental science and particularly in chemistry and microbiology, a parameter is used to describe a discrete chemical or microbiological entity which can be assigned a value which is commonly a concentration. The value may also be a logical entity (present or absent), a statistical result such as a 95%ile value or in some cases a subjective value
Read more about this topic: Parametric Operator
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“Every known fact in natural science was divined by the presentiment of somebody, before it was actually verified.”
—Ralph Waldo Emerson (1803–1882)