from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. a device that automatically responds to drops in humidity by adding moisture to the air to maintain the humidity at a desired setting, similar to how a thermostat works for temperature.
from the GNU version of the Collaborative International Dictionary of English
- n. A contrivance or apparatus to prevent the explosion of steam boilers.
- n. A device, usually electrical, for indicating or regulating the height of water in a reservoir or receptacle.
from The Century Dictionary and Cyclopedia
- n. An apparatus of any kind for preventing the explosion of steam-boilers.
- n. An electrical device for detecting the presence of water, used as a protection against damage to buildings from overflow or leakage.
Sorry, no etymologies found.
No trouble, must have been that hydrostat ...... whatever
For his latest project, Bruce adapted the guts of a large generator to take 8,000 RPM off the turbine, and with the help of a multi-groove belt, reduced the RPM down to 3,600 on the input side of his original hydrostat drive.
This is now 2008, and all i have ever done to it has been spark plug change every 2 / years and change engion oil, changed hydrostat oil and its 2 filters once.