altitude

noun altitudes

1. countable, uncountable The absolute height of a location, usually measured from sea level. As the altitude increases, the temperature gets lower, so remember to bring warm clothes to the mountains.
2. countable, uncountable A vertical distance.
3. countable, uncountable The line perpendicularly connecting a figure’s vertex, especially a triangle’s apex, to the side opposite to the vertex. All three altitudes of any triangle will always meet at point known as the orthocentre or orthocenter.
4. countable, uncountable The length of such a line; the distance measured perpendicularly from a figure's vertex to the side opposite to the vertex. The perpendicular height of a triangle is known as its altitude.
5. countable, uncountable The angular distance of a heavenly body above our Earth's horizon.
6. countable, uncountable Height of rank or excellence; superiority. Whoever has an ambition to be heard in a crowd, must press, and squeeze, and thrust, and climb, with indefatigable pains, till he has exalted himself to a certain degree of altitude above them.
7. countable, dated, in plural, uncountable Elevation of spirits; heroics; haughty airs. The man of law began to get into his altitudes.
8. countable, uncountable Highest point or degree. He is [proud] even to the altitude of his virtue.
9. countable, dated, uncountable, of a ring Krull dimension.
10. countable, uncountable, of an ideal Height.