Look up GFDL in Wiktionary, the free dictionary.

GFDL , or GNU Free Documentation License, is a license for free documentation.

GFDL may also refer to:

• Geophysical Fluid Dynamics Laboratory, a division of NOAA
• GFDL hurricane model (see: Tropical cyclone forecast model)
• GFDL Advogados, a Portuguese law firm

This disambiguation page lists articles associated with the title GFDL.
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