altitude

Meanings

1. 1
   noun

   The height of something above sea level or the ground.

   As the altitude increases, the air gets colder, so bring warm clothes to the mountains.

2. 2
   noun

   In geometry, a line drawn from a corner of a shape straight down to the opposite side, or its length.

   All three altitudes of a triangle meet at a single point.

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

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