#Latin
- Brass-plate — A regional phonetic variant or dialectal form attested for the verb 'a alămi'; the act of coating the surface of a metal object with a thin layer of brass. Also, in certain southern dialects, it can be a variant for the verb 'a lămâi', meaning to add lemon juice to a culinary dish to change its acidity.
- Brass-plating — A regional phonetic variant or secondary technical form for 'alămire'; the act of brass-plating and its result, consisting of the crafting or industrial process of coating a steel, iron, or cast-iron object with a thin, uniform layer of brass to ensure anti-corrosive protection and a yellow-golden aesthetic finish. In certain southern dialectal contexts, the term can also represent an action metaphorically derived from the verb 'a lămâi', referring to the souring of a dish.
- Alato- — A combining form or structural prefixoid used in international scientific terminology, derived from Latin, used to introduce references to wings, wing-like formations, lateral membranous extensions, or the winged stage of certain organisms; winged. In botany and zoology, it serves to construct binominal names or descriptive morphological terms relating to stems, petioles, or organs provided with thin wing-like expansions.
- Alban — A personal proper name (masculine given name or surname) used internationally; it also represents the name of the first Christian martyr of Great Britain, Saint Alban. Written with a capital letter, the term individualizes a historical, religious, or contemporary personality, having Latin etymological roots linked to the ancient city of Alba or the adjective 'albus'.
- Alcuin — An Anglo-Saxon scholar, theologian, philosopher, and educator (Alcuin of York, c. 735–804), who became the chief cultural advisor to Charlemagne and the architect of the Carolingian Renaissance. He reorganized the palatine school at Aachen, standardized the Carolingian minuscule script, and established an educational framework based on the liberal arts (Trivium and Quadrivium), laying the foundations of European medieval culture.
- The die has been cast — A famous Latin expression literally translated as 'the die has been cast', historically attributed by Suetonius to Julius Caesar at the moment of crossing the Rubicon river in 49 BC. This symbolic action marked the start of the civil war against the Roman Senate, and the maxim is universally used today to describe an irreversible decision, a major turning point from which there is no turning back.
- Aleppicum — A specific epithet used in binary Latin nomenclature in biology and medicine to designate plant species, organisms, or dermatological conditions that originate from the Aleppo region or were historically identified there. It appears structurally in phytonyms or in old medical terminology referring to parasites and cutaneous lesions endemic to the Near East.
- Aliped — Having feet equipped with wings or with interdigital membranes used for flying or swimming; a term historically used in zoology to describe chiropteran mammals (bats) or web-footed birds. In a mythological context, it describes deities or fantastic creatures whose winged feet allow them to move with supernatural speed.
- One thing is to conceal, another to be silent — A famous Latin expression originating from Cicero's writings (De Officiis), literally translated as 'one thing is to conceal, another to be silent'. In a legal and moral sense, the maxim establishes a clear distinction between the deliberate, fraudulent act of hiding an essential truth that one is obligated to reveal (constituting fraud or bad faith) and simple passive silence or omission regarding facts that one is not legally or contractually bound to disclose.
- Allende — A Basque-origin family name of world renown, famous in political history through Salvador Allende (1908–1973), the first democratically elected socialist president of Chile, overthrown in the military coup led by Augusto Pinochet. In culture, the name is universally known thanks to Isabel Allende, one of the most famous and translated contemporary Spanish-language authors, writer of 'The House of the Spirits'.
- Alma mater — An allegorical expression from Latin, literally translated as 'nourishing mother', historically used by Romans to designate kind goddesses (Ceres, Cybele) and universally adopted in medieval and modern academic environments to refer to the university, college, or school that a person graduated from, which provided their intellectual and spiritual formation.
- altalensis — A specific epithet in scientific Latin, utilized in international biological nomenclature to describe a species (of plant, insect, or organism) discovered, collected, or endemic to the Altai Mountains region (for instance, species symbolically or geographically designated as altalensis, taxonomically linked to the Altaic region). This structural descriptor assists in establishing the native biogeographical range of the taxon within laboratory specimens.
- Alter ego — Another personality or a second self of a person, representing a hidden, complementary, or idealized facet of someone's identity. In literature, it designates a character who speaks on behalf of the author or faithfully reflects their traits, while in daily life it indicates an extremely close and trusted friend, considered a perfect spiritual replica.
- Altissimum — A specific epithet used in Latin botanical binomial nomenclature to describe a plant species that stands out for its remarkable height or for being the tallest within its genus (e.g., Anthurium altissimum).
- Altus — A historical term taken from Latin designating the alto vocal or instrumental register (middle voice) in medieval and Renaissance polyphonic music; as a Latin adjective, it means 'high' or 'deep', frequently used as a root or compounding element in scientific terminology (botany, zoology, meteorology).
- Aluminium — An international spelling variant or direct adoption from scientific Latin, English, or French for the word 'aluminiu'; sometimes used in historical chemical works or technical tables to designate the metal with atomic number 13.
- Aluta — The ancient Latin name of the Olt River, frequently used in documents from the Roman Empire period, old cartographic maps, and ancient historical sources. As a structural historical hydronym, it defines one of the most important watercourses on Dacia's territory, along which the Romans built the fortified defensive system known as Limes Alutanus.
- Alutus — The alternative masculine Latin form for the ancient hydronym of the Olt River, documented in vintage maps of the Roman Empire and in the writings of ancient geographers; a hydrographic and strategic axis of vital importance on Dacia's territory. This structural term forms the basis of many archaeological and military designations, defining the natural eastern border fortified by Roman legions with castra and watchtowers.
- Alvarado — A surname of Spanish origin, etymologically derived from a toponym meaning 'whitewashed place' or 'riverbed washed by water'; the name of several cities and administrative units in Spain and Latin America. Historically, it is associated with the famous conquistador Pedro de Alvarado, and currently, it is borne by numerous public figures, athletes, and international politicians.
- Amandi — A proper noun used internationally and locally as a toponym (locality in Spain), rare given name, or surname with Latin roots, derived from the radical 'amandus' (one who must be loved). In a geographic context, it defines a historical parish and a region recognized for traditional wine production, integrated into onomastic and cartographic databases as a stable cultural and spatial identifier.