高度の定義と意味 - メリアム・ウェブスター

ALTITUDE Definition & Meaning - Merriam-Webster Est. 1828 Dictionary Definition Definition Synonyms Synonym Chooser Example Sentences Word History Phrases Containing Rhymes Entries Near Cite this Entry Citation Kids Definition Kids More from M-W Show more Show more Citation Kids More from M-W Save Word To save this word, you'll need to log in. Log In altitude noun al·​ti·​tude ˈal-tə-ˌtüd also -ˌtyüd Synonyms of altitude 1 a : the vertical elevation of an object above a surface (such as sea level or land) of a planet or natural satellite b : the angular elevation of a celestial object above the horizon c (1) : a perpendicular line segment from a vertex (see vertex sense 2a ) of a geometric figure (such as a triangle or a pyramid) to the opposite side or the opposite side extended or from a side or face to a parallel side or face or the side or face extended (2) : the length of an altitude 2 a : vertical distance or extent b : position at a height The plane lost altitude . c : an elevated region : eminence — usually used in plural 3 : a high level (as of quality or feeling) the altitudes of his anger altitudinal ˌal-tə-ˈtü-də-nəl -ˈtyü- adjective altitudinous ˌal-tə-ˈtü-də-nəs -ˈtyü- adjective Synonyms of altitude Relevance elevation height See All Synonyms & Antonyms in Thesaurus Choose the Right Synonym for altitude height , altitude , elevation mean vertical distance either between the top and bottom of something or between a base and something above it. height refers to something measured vertically whether high or low. a wall two meters in height altitude and elevation apply to height as measured by angular measurement or atmospheric pressure; altitude is preferable when referring to vertical distance above the surface of the earth or above sea level; elevation is used especially in reference to vertical height on land. fly at an altitude of 10,000 meters Denver is a city with a high elevation Examples of altitude in a Sentence the air temperature at different altitudes Some visitors find it difficult to adjust to the city's high altitude . The plane lost altitude rapidly. Recent Examples on the Web Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback . The low- altitude dilemma China dominates the global drone industry, with DJI alone commanding about 70% of the worldwide market last year, according to data from commercial data company Research and Markets. — Todd Symons, CNN Money , 2 May 2026 Grab drinks at the hotel’s Sparrow Rooftop bar perched high above the busy street or swim in the pool at the same altitude . — India Amos, Travel + Leisure , 2 May 2026 These can fly at up to 150 knots (174 mph, 280 km/h) at an altitude of 10,000 ft (3,000 m) and have a unit cost of only about $2,000 to $6,000. — David Szondy may 02, New Atlas , 2 May 2026 And after a long, and at times deadly, development campaign, the company reached outer space (defined, somewhat controversially, as an altitude of 80 km and above) in December 2018. — Eric Berger, ArsTechnica , 1 May 2026 See All Example Sentences for altitude Word History Etymology Middle English, "height, angular height of a celestial body above the horizon," borrowed from Latin altitūdin-, altitūdō "height, high position, downward extension, depth," from altus "extending upward, tall, high, extending downward, deep" + -i- -i- + -tūdin-, -tūdō -tude ; altus going back to dialectal Indo-European *al-to- (whence also Middle Irish alt, allt "height, cliff," Welsh allt "hill, steep slope, cliff"), of uncertain origin Note: Traditionally equated with Germanic *alđa- "old," and further to a verbal base *al- "nourish" (< Indo-European *h 2 el- "nourish, feed;" see old entry 1 ), on the assumption that the verbal adjective *al-to- "fully grown, nourished" leads to both "old" and "high." However, both the Latin and Celtic etyma refer primarily or exclusively to points situated above the ground, not human or animal growth, so such a connection is questionable. First Known Use 14th century, in the meaning defined at sense 1b Time Traveler The first known use of altitude was in the 14th century See more words from the same century Phrases Containing altitude altitude sickness at altitude cruising altitude Rhymes for altitude amplitude aptitude attitude barbecued certitude desuetude devalued finitude fortitude gratitude interlude interviewed See All Rhymes for altitude Browse Nearby Words altithermal altitude altitude-azimuth See all Nearby Words Cite this Entry Style MLA Chicago APA Merriam-Webster “Altitude.” Merriam-Webster.com Dictionary , Merriam-Webster, https://www.merriam-webster.com/dictionary/altitude. Accessed 5 May. 2026. Copy Citation Kids Definition altitude noun al·​ti·​tude ˈal-tə-ˌt(y)üd 1 a : the angular height of a celestial object above the horizon b : the vertical distance of an object above a given level (as sea level) c : a perpendicular line from a vertex of a geometric figure (as a triangle) to the opposite side or from one side or face to a parallel side or face also : the length of such a line 2 : an elevated region — usually used in plural More from Merriam-Webster on altitude Nglish: Translation of altitude for Spanish Speakers Britannica.com: Encyclopedia article about altitude Last Updated: 4 May 2026 - Updated example sentences Love words? Need even more definitions? Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free! Merriam-Webster unabridged More from Merriam-Webster Word of the Day augur See Definitions and Examples » Get Word of the Day daily email! 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