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theodolite

theodolite

1 9.9
A tool people use to measure side-to-side and up-and-down angles on land
  • noun
  • /θiˈɒdəˌlaɪt/
  • Specialized
translation icon : teodolito
  • A skilled surveyor relies on a theodolite to ensure the accuracy of the land measurements.

Examples

  • Second in value to his gold watch, Vincent owned a theodolite, an angle-measuring tool used by sophisticated surveyors of the era.

    Academic text (2011)
  • Soon he joined Erasmus among the wharf's clutter, moving the theodolite and uncovering a crate of onions.

    Fiction book (1999)
  • Imagine a cold, weary man on the top of a mountain, bent over his theodolite and waiting for a splash of light.

    Fiction book (1999)
  • Nandi is a surveyor, and her graphic instrument is a theodolite.

    Academic text (2000)
  • If you return with a laser theodolite, you will then get a much better estimate; but you wouldn't claim that the height of the building had actually changed between your two observations.

    Blog text (5)
  • They who with their theodolites measure the angles between each end of that line and a third high point in the distance, and they who calculate by trigonometry the two other sides of the triangle, thus fixing the distance to the far point and the point's exact position.

    Fiction book (1999)
  • Since nothing resembling the precision of modern theodolites existed, elevations were determined by an arrangement that was even more cumbersome than plane surveying.

    Academic text (2003)
  • The engineer used a theodolite to accurately measure the angles of the construction site.

  • During the surveying process, a theodolite is essential for determining precise horizontal and vertical angles.

Synonyms

transit
vstheodolite
  • Archaic
15 8.9

A small telescope on a tripod used to measure horizontal and vertical angles

is the rotating telescope instrument for measuring horizontal and vertical angles
tachymeter
vstheodolite
  • Specialized
9.9

A tool surveyors use to measure distances quickly

focuses on precise measurement of horizontal and vertical angles rather than speed
tacheometer
vstheodolite
  • Archaic
9.9

An instrument for measuring distance, direction, and height on land quickly

concentrates on exact horizontal and vertical angle measurement rather than rapid distance
alidade
vstheodolite
  • Specialized
9.9

A tool used to measure directions or angles when mapping land

is the complete rotating telescope instrument used to measure both angle types

How Accurate

GPS
  • Specialized
205 2.6
trilateration
  • Specialized
9.0
theodolite
  • Specialized
1 9.9
alidade
  • Specialized
9.9
compass
62 1.6

Surface Forms

theodolite singular
theodolites plural

Etymology

Theodolite comes from an old Greek word thea meaning 'view', the same thea in theatre. So a theodolite is a tool for 'viewing' and measuring angles when engineers and surveyors check land.