object-staff
Definition
Noun: - Surveying instrument: An "object-staff" is a graduated rod or staff used in surveying or geological observation, held at a point to be measured and sighted through a level or theodolite to determine distances, elevations, or positions.
Usage Examples
- (The graduated rod was placed for observing elevation.)
- (The staff provides a visible target for the surveying instrument.)
Advanced Usage
"to read the object-staff": to observe and record the measurement indicated on the graduated staff through a telescope or level.
- He carefully read the object-staff to calculate the difference in height between two points. (He noted the markings on the staff to determine elevation change.)
"object-staff position": the specific location where the staff is placed for measurement.
- The object-staff position was marked with a flag for later reference. (The spot where the staff stood was recorded.)
Variants and Related Words
Staff (n): a long stick or rod used as a support or measuring tool.
- The wooden staff was marked with precise increments. (The rod had measurement markings.)
Object (n): a thing that can be seen or touched; in surveying, the point or target being measured.
- The object of the measurement was the distant hill. (The target for the observation.)
Synonyms
- Level rod: a graduated rod used in leveling surveys.
- Sighting staff: a staff used as a target for optical instruments.
Phrasal Verbs
Related Idioms