PN has various meanings in the Science category. Discover the full forms, definitions, and usage contexts of PN in Science.
The point in a CBD, often, but not always, at a road intersection, where land values are at a maximum.
ScienceThe manufacture by plants of carbohydrates and oxygen from carbon dioxide and water in the presence of chlorophyll, with sunlight as the energy source. Carbon is sequestered and oxygen and water vapor are released in the process. The process by which green plants use light to synthesize organic compounds from carbon dioxide and water.
ScienceA shell of gas surrounding a small, white star. The gas is usually illuminated by the star, producing a variety of colors and shapes.
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