py·ro·stat 
(pīrə-stăt′)
(pīrə-stăt′)n.
1. An automatic sensing device that activates an alarm or extinguisher in case of fire.
2. A high-temperature thermostat.
- geobotanic
- geobotanical
- geobotanically
- geobotanist
- geobotany
- geocacher
- geocaching
- geocentric
- geocentrically
- geochemical
- geochemically
- geochemist
- geochemistry
- geochronologic
- geochronological
- geochronologically
- geochronologist
- geochronology
- geochronometric
- geochronometry
- geocline
- geocode
- geocorona
- geode
- geodesic