artificial horizon
Word Rarity
Rare
Frequency: Zipf frequency 3.85 in modern English
34
Scrabble Score
17
Letters
5
Syllables
11
Unique Chars
Meaning
noun
An instrument that displays the pitch and roll of an aircraft in flight by comparing its attitude to a gyroscopically-maintained indication of the flat horizon line.
noun
A small trough containing mercury, the surface of which shows a reflection of the celestial bodies.
Obsolete
Usage
Subject
Wiktionary places this term in Astronomy.