Definition of "aprioristically" [aprioristically]

• A priori; in an aprioristic manner. (adverb)

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• "So in terms of climate sensitivity, which is aprioristically defined as the increase in global temperature from a doubling of CO2 concentration, that definition is not derived from experiment, and hence, as Annan et al did, honestly I must add publish, is a guess."
• "Whether empirically or aprioristically does not matter."