Inertion n. Lack of activity or exertion; inertness; quietude. (R.) "These vicissitudes of exertion and inertion of the arterial system constitute the paroxysms of remittent fever."
... for flying and had just purchased an aeroplane. He was to begin his lessons at once and was so thoroughly immersed in his strange fancy that he paid little heed to anything else. His books were neglected. His former quiet life—amounting almost to physical inertion—had given place to a nervous and all-consuming desire to master the rather strenuous art of aviation. Alora was quite unaware of this transformation, for as usual Jason Jones kept his own counsel and followed his inclinations without conference with anyone. The girl knew that her father haunted ... — Mary Louise Solves a Mystery • L. Frank Baum
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