Altitude
Part of speech: noun
Definition: The height measured from sea level up to any given point. A vertical distance. The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex. The angular distance of a heavenly body above our Earth's horizon.
Example sentence: A review of summit day photographs will show that I was clothed in the latest, highest quality, high altitude gear, comparable, if not better, than that worn by the other members of our expedition.
EL
Part of speech: noun
Definition: The name of the letter L / l.An elevated train, especially in Chicago.