#aerian
- Air plant — Flower of the air; a term used as a specific epithet or common name for various epiphytic plant species, particularly within the Tillandsia genus (family Bromeliaceae), remarkable for their structural capacity to live suspended without soil, absorbing water and nutrients directly from atmospheric humidity through specialized hairs called trichomes.
- Aerial — An archaic, regional, or poetic form of the feminine adjective 'aeriană' (aerial); pertaining to the air, located or taking place in the air; ethereal, vaporous, or lacking structural material consistency. It is a linguistic variant encountered sporadically in old religious texts, chronicles, or historical Transylvanian manuscripts.
- Aerial — An archaic, regional, or poetic form of the masculine adjective 'aerian' (aerial); pertaining to the air, located or taking place in the atmosphere; ethereal, immaterial, or vaporous. The term is found isolated in historical manuscripts or old church texts from the Transylvanian area, superseded in modern usage by standardized forms.
- Aerial — Pertaining to the air, located, occurring, or developing in the air or atmosphere; relating to aviation or transport carried out by aircraft. In a botanical sense, it describes plant organs (stems, roots) that grow above the ground, while figuratively, it refers to a dreamy, inattentive person, detached from everyday reality.
- Air-dwelling — Living, developing, or carrying out biological activity in the air or aerial environment; a rare term used in ecology to classify organisms, insects, or microorganisms that structurally depend on the free atmosphere for movement or reproduction, as opposed to terrestrial, aquatic, or cavernicolous ones.
- Air ambulance — An aircraft (helicopter or airplane) specially equipped with emergency medical equipment and qualified personnel, used for the rapid transport of critical patients or organs intended for transplantation. This airborne intensive care mobile unit enables life-saving operations in hard-to-reach areas, ensuring advanced medical care during flight.
- Airbase — A military airbase or a large aeronautical complex comprising airfields, takeoff and landing runways, hangars, repair shops, fuel and ammunition depots, as well as the logistical infrastructure necessary for the stationing, maintenance, and operation of military or commercial aircraft.
- Aerial cable — A conductive, electrical, or traction cable specially designed and installed to be suspended high on poles or support pillars in open airspace. In mechanical engineering, it refers to thick steel cables used for supporting and moving cable cars, funiculars, or aerobuses; in telecommunications, it represents aerial conductors protected against adverse weather.
- Aerial cartography — A technique and specialized branch of cartography dealing with the compilation, surveying, and correction of maps or topographic plans based on stereoscopic aerial photographs and photogrammetric data obtained from airplanes, helicopters, or drones. This modern process allows precise measurement of terrain relief and ground details, optimizing cadastre, urban planning, and environmental monitoring.
- Aerocompass — An aerial navigation instrument (gyroscopic, magnetic, or electronic compass) mounted on board aircraft, used for continuously determining and indicating the magnetic heading or flight direction of the aircraft relative to cardinal points.
- Airborne — A specialized military troop, equipment, or tactical operation involving parachuting or direct landing from aircraft behind enemy lines or in strategic conflict zones. This type of mobile airborne infantry is trained for rapid assaults, capturing key objectives, and holding positions until the arrival of the main ground forces.
- Aerophilatelic — Relating to aerophilately, concerning aerophilately; referring to the collection and study of stamps, postmarks, envelopes, and postal documents transported by air. This term describes collectible items, exhibitions, or specialized catalogs dedicated exclusively to the history of airmail.
- Aerophilately — A specialized branch of philately dealing with the study and collection of special postage stamps (airmail stamps), labels, postmarks, and postal documents transmitted via air transport (airplanes, helicopters, zeppelins, or rockets). It tracks the evolution of postal rates and airways as well as aviation history reflected in documents.
- Aerophilatelist — A person or collector specialized in aerophilately; a specialist passionate about gathering, studying, classifying, and evaluating airmail stamps, flight postmarks, and postal documents that were actually transported by air via airplanes, helicopters, or airships.
- Aerophilatelist — The feminine form for the term aerofilatelist; a female collector specialized in aerophilately, dedicated to gathering, researching, and preserving airmail stamps, 'Par Avion' postal envelopes, and historical documents related to the transport of correspondence by air.
- Aerophyte — As a noun, it designates a plant (or vegetable organism) that extracts its water and nutrients directly from the air, atmospheric moisture, or precipitation, without having direct contact with the soil. Many of these plants are epiphytes (such as certain bromeliad or orchid species) and use trees merely as structural support, not as a food source. As an adjective, it describes the quality of a plant belonging to this ecological type.
- Aerophyte — The substantivized feminine form of aerofit; an aerial or epiphytic plant that grows attached to trees or rocks and obtains its water and nutrients directly from the surrounding atmosphere, through specialized anatomical structures, without parasitizing its structural host.
- Aerophytobionts — A scientific term used to designate the assembly of plant organisms (microscopic algae, lichens, mosses) that live and carry out their life cycle exclusively in the aerial environment, on the terrestrial surface, on tree bark, or on other substrates directly exposed to the atmosphere, without structural connection to aquatic or subterranean environments.
- Aerophotographic — Relating to aerophotography, concerning aerial photography; executed through airborne photography from airplanes, helicopters, or drones. It refers to optical equipment, techniques, flight crafts, or mapping materials used in the process of capturing high-altitude images for military, geodetic, or journalistic purposes.
- Aerophotography — The technique of photographing the Earth's surface from high above, using special photographic cameras mounted on board airplanes, helicopters, satellites, or drones; the photographic image obtained through this process. It is widely used in topography, archaeology, meteorology, military espionage, and urban planning.