Definition of «physical phenomena»

The phrase "physical phenomena" refers to events or occurrences in the natural world that can be observed or measured.

I do numerical modelling of physical phenomena for a living, so I know something about model validation procedures. (dotearth.blogs.nytimes.com)
Some explain the origins of fire, heavenly bodies and other physical phenomena. (scientificamerican.com)
The mathematical order underlying physical phenomena is most easily observed in the motions of the heavenly bodies. (firstthings.com)
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