#alti
- Female mountaineer — The feminine form of alpinist; a woman practicing mountaineering or a female athlete specially trained for scaling high mountain massifs, vertical rock faces, and glaciers. As an adjective, it describes a behavior, trait, or gear structurally associated with women practicing high-altitude ascents.
- Altyn Tagh — A major mountain range located in Central Asia, northwestern China, forming a natural geographical barrier between the Tarim Basin and the Tibetan Plateau. This arid and massive mountain system is characterized by high peaks, an extremely dry climate, and high-altitude desert landscapes, playing a crucial role in shaping the hydrology and climate of the surrounding regions.
- Altun — An old Ottoman gold coin, occasionally used also in the Romanian Principalities during the period of Turkish suzerainty; a high-value monetary piece made of precious metal, used in major commercial transactions, for hoarding, or for paying tribute to the Sublime Porte.
- Altunluk — An Ottoman fractional silver or billon coin, with a fixed nominal value representing a fraction of an altun (or the equivalent of six piastres / kurus); it circulated temporarily in the Balkans and the Romanian Principalities during the 18th and 19th centuries as exchange currency for daily medium-scale transactions.
- Gold hoard — An archaic collective term used to designate a large sum of money consisting exclusively of gold coins (altuns) or the totality of precious metallic wealth owned by a person; by extension, it describes a state of opulence or a hoard accumulated from taxes and trade.
- altazimuth — An astronomical instrument or mechanical mount utilized for determining the position of celestial bodies or for guiding telescopes and cameras, structurally characterized by rotation around two perpendicular axes: a horizontal axis (for measuring altitude or height above the horizon) and a vertical axis (for measuring azimuth).
- Others — A historical or ethnographic term rarely used to designate a member of an indigenous population or an ancient tribe, or a regional/archaic form resulting from graphical confusion with other lexemes; in common usage, it represents a misspelling of the masculine plural pronoun or pronominal adjective 'alții'.
- Alticolous — Living, developing, or growing in high mountainous regions, at high altitudes; physiologically and structurally adapted to the harsh climatic conditions specific to alpine or subalpine zones.
- Haughty — Manifesting an exaggerated pride, often combined with a distant, haughty, or arrogant attitude; proud, haughty, grand, majestic, or full of dignity.
- Altieri — A famous surname of Italian origin, borne throughout history by an important Roman patrician family that produced numerous cardinals and Pope Clement X (Emilio Altieri).
- Altigraph — An automatic recording instrument (barographic altimeter) used in aviation and meteorology to continuously measure and graphically trace on a chart the altitude variations of an aircraft or a weather balloon based on changes in atmospheric pressure.
- Artillery — An archaic, popular, or phonetically corrupted form used in the past in historical documents and chronicles within the Romanian Principalities to designate the artillery or the totality of firearms (cannons, bombards) of an army.
- Altimetric — Relating to altimetry or to the measurement of heights and altitudes of points on the Earth's surface; concerning the determination of relief on topographic maps and plans through contour lines or numerical elevations.
- Altimetry — A branch of topography and geodesy dealing with the study of methods, instruments, and techniques used for measuring and determining the altitude of points on the Earth's surface relative to a reference surface (usually the mean sea level).
- Altimeter — A flight instrument or portable device used in aviation, mountaineering, and surveying to measure and display the altitude of a point or an aircraft relative to a predetermined reference level (usually sea level or ground level), operating on barometric, radio, or laser principles.
- Alțina — A historic municipality and locality in Sibiu County, Transylvania, Romania, situated in the Hârtibaciu Valley region; it is an ancient settlement with a rich Saxon cultural heritage, nationally and internationally recognized for its 13th-century fortified evangelical church.
- Elsewhere — In another direction, toward another place, elsewhere; represents a traditional or pre-reform graphical variant (written with 'î' from 'i') of the modern adverb expressing an alternative spatial direction.
- Altun — Traditional graphical variant (spelled with 'î') for 'altângea'; an old high-value Ottoman gold coin that also circulated in the Romanian Principalities, specifically used for hoarding, large-scale commercial transactions, and paying tribute to the Sublime Porte.
- Altunluk — Traditional graphical variant (spelled with 'î') for 'altângic'; an Ottoman fractional silver or billon coin, equivalent to an altunluk (six kurus), which circulated as a daily exchange instrument in the Balkans and Romanian Principalities during the 18th and 19th centuries.
- Altini — A surname of Italian origin, borne over time by various historical and contemporary personalities, notable among them being Francesco Altini, a 19th-century painter and decorative artist, or found as a toponym in archaic documents related to local migrations.