| a combining form used in the names of devices that stabilize or make constant what is specified by the initial element: thermostat; rheostat. |

| -stat suff.
[New Latin -stata, from Greek -statēs, one that causes to stand, or statos, standing; see stā- in Indo-European roots.] |
-stat suff.
Something that stabilizes: barostat.
Something that inhibits: hemostat.