Backsight is a term that is used in surveying and refers to a point of reference that is used to determine the elevation of a particular point. It is a crucial element in the process of surveying as it helps in establishing a reference point for the measurement of the elevation of a point.
Definitions
Backsight can be defined as a point of reference that is used to determine the elevation of a particular point. It is a reference point that is used to help in the process of surveying. The backsight is usually a point that is at a known elevation and is used as a reference point for the measurement of the elevation of a point.
Origin
The term backsight is believed to have originated from the practice of surveying. The term is believed to have been first used in the early 19th century when surveying was becoming more popular. The term is believed to have been derived from the word ‘back’ which refers to the rear of something, and ‘sight’ which refers to the act of seeing.
Meaning in different dictionaries
According to the Merriam-Webster dictionary, backsight is defined as “a sight taken on a previously established point of known elevation or position to establish a starting point for a survey.”
According to the Oxford English Dictionary, backsight is defined as “a sight taken on a known point in order to determine the elevation or position of a surveying instrument.”
Associations
Backsight is associated with the process of surveying. It is a crucial element in the process of surveying as it helps in establishing a reference point for the measurement of the elevation of a point.
Synonyms
Some synonyms of backsight include reference point, datum point, benchmark, and sighting point.
Antonyms
There are no specific antonyms of backsight as it is a technical term used in the field of surveying.
The same root words
There are no specific root words associated with backsight as it is a technical term used in the field of surveying.
Example Sentences
- The surveyor took a backsight on the benchmark to establish the starting point for the survey.
- The backsight was used to determine the elevation of the point being surveyed.
- The surveyor used the backsight to ensure that the instrument was level before taking the measurement.