stato-, stat-, sta-, -static, -stasi, staso-, -stasis, -stasia, -stacy, -stitute, -stitution, -sist

(Latin: standing, to stay, to make firm, fixed; cause to stand, to put, to place, to put in place, to remain in place; to stand still)

gyrostabilizer
1. A device for stabilizing a seagoing vessel by counteracting its rolling motion from side to side, consisting essentially of a rotating gyroscope weighing about one percent of the displacement of the vessel.
2. An instrument having a heavy gyroscope whose axis spins in a vertical plane to reduce the side-to-side rolling of a ship or aircraft.
gyrostat
1. A gyroscope or gyrostabilizer in which the rotating wheel is pivoted within a rigid case.
2. A modified gyroscope, consisting of a rotating wheel pivoted within a rigid case.
gyrostatic
heliostat
1. An instrument that reflects the sun's rays in a continuous beam and in various directions, and which can therefore serve as a signaling station; the device is clock-driven so that it points at all times toward the sun.
2. A system of plane mirrors that continuously adjust in angle according to the sun's position, so as to reflect a beam of solar radiation to some fixed point in space.

It is used in some forms of concentrating solar power.

hemostasis
hemostat
homeostasis
1. A state of equilibrium or a tendency to reach equilibrium, either metabolically within a cell or organism or socially and psychologically within an individual or group.
2. The ability or tendency of an organism or a cell to maintain internal equilibrium by adjusting its physiological processes.
3. The processes used to maintain such bodily equilibrium.
homoiostasis
1. A state of equilibrium or a tendency to reach equilibrium, either metabolically within a cell or organism or socially and psychologically within an individual or group.
2. The ability or tendency of an organism or a cell to maintain internal equilibrium by adjusting its physiological processes.
3. The processes used to maintain such bodily equilibrium.
humidistat
1. An instrument designed to indicate or to control the relative humidity of the air.
2. An appliance used for maintaining the vapor pressure in the air of a room or other enclosed space within set limits.
hydrostat
A device designed to regulate the height of fluid in a column, reservoir, or other container.
hydrostatic
hygrostat
hypostasis
iconostasis
1. In Eastern Christian churches, a screen or partition, with doors and many tiers of icons, that separates the sanctuary from the main body of the church.
2. The screen decorated with icons that divides the sanctuary from the nave of an Eastern Orthodox church.
impress

Related word families intertwined with "to place, placing, to put; to add; to stay; to attach" word units: fix-; pon-; prosth-; the-, thes-.