dioptra Definition
- 1an ancient Greek surveying instrument used for measuring angles
- 2a telescope or other instrument used for precise measurement of angles
Using dioptra: Examples
Take a moment to familiarize yourself with how "dioptra" can be used in various situations through the following examples!
Example
The dioptra was used by ancient Greeks to measure the angle between two points.
Example
Modern dioptras are used in astronomy and other fields to measure angles with high precision.
dioptra Synonyms and Antonyms
Synonyms for dioptra
- telescope
- surveying instrument
- angle-measuring instrument
Phrases with dioptra
a type of dioptra used in astronomy to measure the altitude and azimuth of celestial bodies
Example
The astronomical dioptra was used by astronomers to map the positions of stars and planets.
a type of dioptra used in geodesy to measure the angles between points on the earth's surface
Example
The geodetic dioptra was used by surveyors to create accurate maps of the earth's surface.
surveyor's dioptra
a type of dioptra used by surveyors to measure angles and distances between points on the ground
Example
The surveyor's dioptra was used by land surveyors to create accurate maps of the land.
Origins of dioptra
from Greek 'dioptra', meaning 'to see through'
Summary: dioptra in Brief
'Dioptra' [dahy-op-truh] refers to an ancient Greek surveying instrument used for measuring angles, as well as modern instruments like telescopes used for precise measurement of angles. It includes types like the astronomical dioptra, used in astronomy to measure the altitude and azimuth of celestial bodies, and the geodetic dioptra, used in geodesy to measure angles between points on the earth's surface. The surveyor's dioptra is used by land surveyors to create accurate maps of the land.
