Altazimuth

//ælˈtæzɪməθ// noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A telescope or surveying instrument that has a mount permitting both horizontal and vertical rotation.
  2. 2
    an instrument that measures the altitude and azimuth of celestial bodies; used in navigation wordnet

Example

More examples

"When you are using an "altazimuth" telescope mount, the altitude is measured vertically from the ground at 0 degrees to the zenith straight overhead at 90 degrees, and the azimuth is measured horizontally, where 0 degrees points due north, 90 degrees is east, 180 degrees is south, and 270 degrees is west."

Etymology

Blend of altitude + azimuth.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.