altitude

Reading level: hard

Estimated CEFR level: C1 — Advanced

Estimated from word frequency; not an official CEFR classification.

Definition

noun elevation especially above sea level or above the earth's surface
noun the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)
noun angular distance above the horizon (especially of a celestial object)

From Middle English, borrowed from Latin altitūdō (“height”), from altus (“high”).

The valley's altitude is 4,000 feet. — The Book of the National Parks, Robert Sterling Yard
“Unconsciousness comes quickly at this altitude,” she said quietly. — The gods of Mars, Edgar Rice Burroughs
[22] Quadrant: an instrument long used for measuring altitudes. — Gulliver's Travels into Several Remote Regions of the World, Jonathan Swift

height

Type a word, a sentence, a book title, or a link to an English article. WordNet and the Classics answer.

Try

A library of classics · a vault of words · instant etymology & meaning