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 (ăl′tĭ-to͞od′, -tyo͞od′)
a. The height of a thing above a reference level, especially above sea level or above the earth's surface. See Synonyms at elevation.
b. Great height or elevation: has trouble breathing at altitude.
c. often altitudes A high location or area.
2. Astronomy The angular distance above the observer's horizon of a celestial object.
3. Mathematics The perpendicular distance from the base of a geometric figure to the opposite vertex, parallel side, or parallel surface.

[Middle English, from Latin altitūdō, from altus, high; see al- in Indo-European roots.]

al′ti·tu′di·nal (-to͞od′n-əl, -tyo͞od′-) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Adj.1.altitudinal - pertaining to altitudealtitudinal - pertaining to altitude    
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
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To further emphasize the training process, LSG Sky Chefs recently introduced their new Culinary Excellence Strategy, which will keep the company at the forefront of the airline catering industry for years to come - even when they eventually expand their altitudinal reach to Mars.
Altitudinal abundance of Dendroctonus frontalis (Coleoptera: Curculionidae) in relation to climatic variables in Hidalgo, Mexico.
Table II.- Altitudinal variation in population density of Mongoose in study area during study period.
The section on 'The environment' briefly describes the weather and the various altitudinal zones encountered.
As amostras foram constituidas em 125 pontos aleatorios e correspondente a cada nivel altitudinal (N1, N2 e N3), totalizando 375 pontos amostrais com uma distancia de 10 metros entre os pontos.
Our staggering altitudinal range is unmatched - from 97 the lowest point to 7,570 Mtrs.
The NRI tourist further said that there were altitudinal challenges in reaching and coming down from the mountains, coupled with the rapidly-changing weather conditions.
Fasciola hepatica (Trematoda: Fasciolidae) in bovines localized in two altitudinal levels of Merida state, Venezuela
Composition and structure of water beetles community (Insecta: Coleoptera) along an altitudinal gradient, Cusco, Peru
Yet due to the altitudinal factors, G-B has a mountain ecosystem vulnerable to climate change and one likely to be affected by the industrial and business developments in future.