A Stasis

1. (pathology) A slackening or arrest of the blood current, due not to a lessening of the heart’s beat, but to some abnormal resistance of the capillary walls.
2. Inactivity; a freezing, or state of motionlessness.
3. (science fiction) A technology allowing something to be artificially frozen in time, so that it does not age or change.
4. One of the sections of a cathisma or portion of the psalter.

(inactivity): stability, staticity

(inactivity): movement, flux