The word anatomy comes from the Greek ana-meaning up or through + tome meaning a cutting. Anatomy was once a cutting up because the structure of the body was originally learned through dissecting it. The word histology came from the Greek histo- meaning tissue + logos, treatise.
Definition: Reliability is the degree to which a measurement instrument gives the same results each time that it is used, assuming that the underlying thing being measured does not change.
By identifying possible causes of. failure and elimination will obviously help to improve product reliability. The formal definition of reliability is as follows: The ability of an item to perform a required. function under stated conditions for a stated period of time.