2. Responsibility for a wrongful act: It is Nell's fault that the toast burned.
3. An error or a mistake: Sam was told that he made a fault when he was completing the application form!
4. In geology, a rock fracture along which movement or displacement in the plane of the fracture has taken place: The city was built on a major fault line and has always been at risk when an earthquake occurs.
Sally went outside to take care of her flowers one morning when a sudden explosion took place in her kitchen because of some kind of electrical faults in her refrigerator that resulted in a severe fire in her apartment.
If ever there was a faultfinder, it is Sean's aunt who is always complaining about how he looks and what he does or doesn't do.2. An instrument designed to locate leaks in an electric current: As part of the house inspection, Sam, the engineer, used a fault-finder to detect any problems with the electrical system.
3. The systematic investigation of malfunctions in an electronic apparatus: The engineers were developing fault-finders which are instruments that could be used to guarantee the proper functioning of the computer systems which would be utilized by the new internet service providers.
Faults can extend for hundreds of miles. Perhaps the most famous is the "San Andreas Fault", which is 600 miles long, from the Mohave Desert to the Pacific Coast, north of San Francisco. It was the sudden shift of this fault that caused the San Francisco earthquake in 1906.