Distention by a fluid or gas. [L. inflatio, fr. in-flo, pp. -flatus, to blow into, inflate]
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in·fla·tion (in-flaґshən) [L. in-1 + flare to blow] 1. distention with air, gas, or fluid. 2. the act of distending with air, gas, or fluid.Medical dictionary. 2011.