#Iran
- Abadan — A major city and port in southwestern Iran, located on the island of the same name in the Shatt al-Arab river delta. In occupational epidemiology, toxicology, and environmental medicine, the area is heavily studied globally due to the long-term impact of emissions from one of the world's largest oil refineries, analyzing the incidence of chronic respiratory conditions and oncological pathologies among petrochemical workers.
- Abuser — A male person who commits an abuse, taking advantage of his authority, strength, status, or position to exploit, harass, or assault another person. As an adjective, it designates a behavior, system, or mechanism that is oppressive, coercive, and despotic, operating through the systematic violation of the rights of others.
- Acanthocrater — A genus of xerophytic, often spiny, cushion-forming perennial plants belonging to the Plumbaginaceae family. These plants are native to the arid and mountainous regions of Central Asia and the Middle East (particularly Iran and Afghanistan), morphologically adapted to rocky, nutrient-poor soils and harsh climates with extreme temperature fluctuations.
- Adiaforetic — Reducing, stopping, blocking, or preventing the body's sweat secretion (perspiration). As a neuter noun, it designates a medicinal agent, a chemical substance, or a therapeutic remedy structurally formulated to diminish the activity of eccrine and apocrine sweat glands, being clinically utilized in the management of hyperhidrosis.
- Agathocles — Tyrant and later King of Syracuse (317–289 BC), a prominent and controversial figure of the Hellenistic era, renowned for his military ambitions and ruthless political tactics. Born into a modest potter's family, he rose to power through military force, waging protracted wars against Carthage and becoming the first leader to carry the conflict directly into African territory to relieve the siege on Sicily.
- Agem — A historical and religious term used in medieval Romanian and ecclesiastical documents (originating from Arabic via Turkish) to designate a person of Persian (Iranian) origin; by cultural or geographic extension, the name referred to the Safavid Persian Empire, often in geopolitical competition with the Ottoman Empire, or to communities and luxury goods brought from those oriental regions.
- Persian — An archaic and regional term meaning Persian or of Persian nature; belonging to Persia or its inhabitants, originating from those regions, or crafted according to Iranian trade techniques and artistic style (historically used especially to characterize carpets, silks, swords, or precious clothing items).
- Ahwaz — A major industrial city located in southwestern Iran and the capital of the Khuzestan province, situated on the banks of the Karun River. Historically known also as Ahvaz, this structural urban hub is a vital center for the Iranian oil industry, famous in modern times for its monumental bridges as well as for its extreme environmental challenges regarding air quality and soaring summer temperatures.
- Albania — An independent and sovereign state located in Southeastern Europe, in the west of the Balkan Peninsula, with access to the Adriatic and Ionian Seas and its capital in Tirana; officially the Republic of Albania (Shqipëria). The country is characterized by a predominantly mountainous terrain, a history marked by numerous Illyrian, Roman, and Ottoman cultural influences, and an economic development based on tourism, services, and industry.
- Albedometer — A precision meteorological instrument consisting of two coupled pyranometers (one facing upward and one downward), used for the direct measurement of a surface's albedo by simultaneously determining global solar radiation and that reflected by the ground.
- Alborz — A major mountain range in northern Iran, stretching south of the Caspian Sea, renowned for its spectacular landscapes, ski resorts, and for hosting the highest peak in the Middle East, the dormant volcano Damavand.
- Almirante Brown — A proper name of high resonance in the Argentine context, originally attributed to Admiral William Brown, a national hero and founder of the Argentine Navy; the term also designates a partido (district) in Buenos Aires Province, a scientific research station in Antarctica, and Club Almirante Brown, a well-known sports club from San Justo, majorly recognized for its football team.
- Altamiranoa — A historical genus or retired taxonomic synonym (currently classified mostly under the Sedum genus or related species within the Crassulaceae family) that designated perennial succulent plants native to the arid and mountainous zones of Mexico. This structural taxon was described in the classification of xerophytic plants by American botanists Britton and Rose, preserved in old treatises of plant systematics.
- Altamiranoa elongata — A historical scientific Latin designation (currently a taxonomic synonym for Sedum elongatum or related species) that designated a perennial succulent plant within the Crassulaceae family, native to the mountainous regions of Mexico. This species was structurally characterized by elongated, erect, or decumbent stems (elongata) and densely arranged fleshy leaves adapted for water storage in arid rocky habitats.
- Altamiranoa ericoides — A historical scientific Latin designation (currently a taxonomic synonym for Sedum ericoides or related species) that designated a perennial succulent plant within the Crassulaceae family, endemic to Mexico. This dwarf plant stood out structurally due to its heather-like appearance (ericoides), featuring tiny, linear, and heavily crowded leaves on slender woody stems, representing an extreme adaptation to drought.
- Altamiranoa guatemalensis — A historical scientific Latin designation (currently a taxonomic synonym for species reclassified under the Sedum or Echeveria genus) that designated a perennial succulent plant within the Crassulaceae family, native and endemic to the mountainous and arid regions of Guatemala. This species was structurally characterized by fleshy leaves optimized for water storage and compact inflorescences adapted to Central American alpine microclimates.
- Amirante — The proper name of a coral island group in the Indian Ocean (Amirante Islands), structurally belonging to Seychelles, discovered in fifteen hundred and two by the navigator Vasco da Gama and named in honor of his admiral title; the name also refers to the adjacent oceanic trench. As a fixed entity in cartography, it is used exclusively as a proper noun and is capitalized.
- Anahita — An ancient Persian divinity of cosmic waters, fertility, healing, and wisdom, structurally venerated in Zoroastrianism and throughout the Achaemenid Empire. Fully known as Ardvi Sura Anahita (meaning 'Moist, Mighty, and Immaculate'), she is portrayed in the sacred Avesta texts as a noble maiden clad in a golden cloak, representing a universal symbol of purity, life-giving force, and divine protection.
- Endorser — The physical or legal person (the legitimate holder of a credit instrument) who signs an endorsement on the back of the document, thereby transferring the claim rights to a new beneficiary; (used as an adjective) performing an endorsement operation. Through this structural action, the person becomes a jointly liable guarantor for the payment of the instrument to subsequent holders.
- Endorser — The feminine form of the word endorser; a female person or a legal entity that applies an endorsement on the back of a credit instrument to order, thereby transferring its claim rights; (used as an adjective) performing a structural endorsement operation on a commercial bill.