This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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n. The height of a thing above a reference level, especially above sea level or above the earth's surface. See Synonyms at elevation.

n. A high location or area.

n. Astronomy The angular distance of a celestial object above the horizon.

n. Mathematics The perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.

n. High position or rank.

n. The height measured from sea level up to any given point.

n. A vertical distance.

n. The distance measured perpendicularly from a figure's vertex to the opposite side of the vertex.

n. The angular distance of a heavenly body above our Earth's horizon.

n. Space extended upward; height; the perpendicular elevation of an object above its foundation, above the ground, or above a given level, or of one object above another.

n. The elevation of a point, or star, or other celestial object, above the horizon, measured by the arc of a vertical circle intercepted between such point and the horizon. It is either true or apparent; true when measured from the rational or real horizon, apparent when from the sensible or apparent horizon.

n. The perpendicular distance from the base of a figure to the summit, or to the side parallel to the base

n. Height of degree; highest point or degree.

n. Height of rank or excellence; superiority.

n. Elevation of spirits; heroics; haughty airs.

n. Space extended upward; height; the degree or amount of elevation of an object above its foundation, the ground, or a given level; the amount or distance by which one object is higher than another: as, the altitude of a mountain or a cloud.

n. The elevation of a point, star, or other object above the horizon, measured by the arc of a vertical intercepted between such point and the horizon.

n. An elevation or height; anything extending far upward.

n. Highest point or degree; full elevation.

n. Elevation of spirit; haughty air: in this sense generally used in the plural.

n. angular distance above the horizon (especially of a celestial object)

n. elevation especially above sea level or above the earth's surface

n. the perpendicular distance from the base of a geometric figure to the opposite vertex (or side if parallel)

"The high desert plains are beautiful and have a more temperate climate, but for some people, the altitude is a health problem."

angular position    distance    length   

parallel of altitude    refraction of altitude    elevation of the pole    meridian altitude of a star    parallax of altitude    inaccessible altitude    altitude and azimuth circle    accessible altitude   

altitude indicator   

height    superiority    heroics    heigh   

velocity    elevation    height    latitude    temperature    width    density    dimension    angle    humidity