Definition of "decadal" [dec•a•dal]

• Of or pertaining to the number ten, a group of ten things, or to a decade (adjective)

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• "Dr. Stern makes a good point on the biasing effects that underpriced, pre-definition phase, program estimates lead to when members of external planning bodies use them to develop the priorities in decadal plans."
• "If the oceans dampen short term decadal solar cycle variation, then how can you state in the conclusions that there is no solar input over the last 20 years?"
• "I wonder how long it will take for normally intelligent and rational well educated people to become obsessed over the offhand remarks of moon hoax conspiracy theorists, while simultaneously neglecting (or even worse, fostering) the long term decadal downward social, political and educational trends which have created a fertile environment for the intellectual ignorance and apathy allowing nutty theories to prosper, and scientifically valid and interesting speculative theories like extraterrestrial life and ET visitation to be ridiculed."