#atmospheric

• Advection — The horizontal movement of an air mass or fluid, accompanied by the transport of its physical properties (such as temperature, moisture, salinity, or density); the physical process of large-scale bulk transport from one point to another within a fluid medium. In meteorology, advection is a key factor in weather dynamics, strictly distinguished from convection (vertical movement) and causing sharp temperature shifts.
• Aeolus — Aeolus; the mythological god, ruler, or keeper of the winds in Greek and Roman mythology, who lived on the floating island of Aeolia and kept storms locked inside a deep cave, releasing them only at the command of the major gods. In a modern context, the term designates various space projects (such as ESA's ADM-Aeolus meteorological satellite), atmospheric phenomena, or structural wind engineering concepts.
• 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.
• Aero — As a noun or adjective, it represents a short, colloquial, or commercial form for aviation, aeronautics, aerodynamics, or air transport. As a scholarly combining form (prefix), it originates from the Greek 'aer' and serves to form scientific, technical, or medical terms, indicating a direct connection with air, atmosphere, gases, or aircraft.
• Aerobiology — An interdisciplinary branch of biology that deals with the study of living organisms and particles of biological origin (such as bacteria, fungi, pollen, spores, cysts, and viruses) passively transported through the air, as well as with the analysis of their movement, survival, and impact on the environment and human health.
• Aerocarpotropic — Relating to aerocarpotropism or exhibiting an orientation movement of fruits directly influenced by the presence of air or atmospheric currents. It describes the tropic behavior of certain plant organs that alter their position in the airspace to optimize ripening or subsequent seed dispersal.
• Aerospace — Relating simultaneously to airspace (atmospheric) and cosmic space (extra-atmospheric); located within these spaces or adapted to operate in both environments. The term describes technologies, vehicles, research missions, or related industries that integrate classical aviation and orbital or interplanetary spaceflight.
• Aerodontalgia — A pathophysiological disorder manifested by an acute, violent, and sudden toothache, directly triggered by variations in barometric pressure during high-altitude flight; it occurs due to the expansion of air or gases trapped underneath poorly fitted fillings or within deep untreated cavities.
• 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.
• Air ion — An electrically charged positive or negative particle in the Earth's atmosphere, formed by a gas atom or molecule (or a small cluster of molecules attached around it) that has lost or gained one or more electrons under the action of cosmic, ultraviolet, or electrical discharge radiation.
• Air ionization — A natural or artificial process through which gas molecules within the air composition are transformed into air ions (electrically charged); in medicine and balneology, it represents the therapeutic use of air controlledly enriched with ions (especially negative ones) to relieve respiratory, cardiovascular, or stress conditions.
• Aerologist — A meteorologist specialized in aerology; a scientist or technician who deals with the study of the physical structure, thermodynamic properties, and dynamic phenomena within the upper layers of the Earth's atmosphere, utilizing data collected by radiosondes, pilot balloons, or weather radars.
• Aerologist — The feminine form for the term aerolog; a female meteorologist specialized in aerology, who deals with investigating the physical structure, thermodynamic properties, and currents within the upper layers of the Earth's atmosphere by interpreting data transmitted by radiosondes or satellites.
• Aerological — Relating to aerology, concerning aerology; referring to the physical, dynamic, and thermodynamic study of the free atmosphere, especially the upper layers (upper troposphere, stratosphere). It applies to charts, data, or sounding stations.
• Aerology — A branch of meteorology that studies the physical properties, dynamic phenomena, and thermodynamic processes in the upper layers of the Earth's atmosphere (upper troposphere, stratosphere), beyond the direct influence of the ground; investigation is carried out through direct experimental methods, such as radiosondes, pilot balloons, weather rockets, and satellites.
• Aerometeorograph — A complex meteorological apparatus (recorder) specially designed to be mounted on board an airplane, aircraft meteorograph, or sounding balloon, used for the simultaneous graphic measurement and recording, on a rotating drum, of variations in barometric pressure, temperature, and humidity within the upper layers of the free atmosphere.
• Aeronaut — A specialized or authorized person who navigates through the atmosphere using an aerostat, an airship, or a balloon; a pilot or member of the flight crew operating an aircraft lighter than air. In a historical sense, the term designates the pioneers of atmospheric flights who paved the way for airspace exploration.
• Female aeronaut — A woman specialized in aerial navigation, who pilots or belongs to the flight crew of an aerostat, balloon, or airship. The term highlights the female contribution to the development of atmospheric navigation, including both the daring women from the pioneering era of aerostation and modern female specialists in lighter-than-air flight.
• Aeropa — A rare conceptual representation, symbolic personification of the upper atmosphere, or pure air found in certain ancient esoteric and poetic texts. In an isolated technical or contextual sense, it may appear as an unofficial derived form or an archaic transcription error for aerobic structures or phenomena linked to Earth's gaseous layers.
• Aeropause — A transition zone or upper region of Earth's atmosphere, located beyond the dense layers, where the air density becomes so low that it can no longer provide lift for conventional aircraft or support sound wave propagation. This structural threshold marks the functional limit of classical aviation and the beginning of upper aerospace, where flight is governed exclusively by orbital mechanics.