#Arsu
- Amphitherium — A genus of small fossil mammal from the Middle Jurassic period, characterized by primitive features of the mandibular dentition; from an evolutionary standpoint, it is considered a potential ancestor or an early related form of modern marsupials and placental mammals.
- Aplacental — Lacking a placenta; a mammal or organism that does not develop a placenta during the embryo's gestation period, with reproduction occurring via eggs or through fetal development inside an external marsupial pouch (e.g., monotremes and marsupials).
- To burn — To be destroyed or consumed by fire, to be in a state of combustion, emitting heat and light; to subject an object to the action of high temperatures (baking, calcination, sterilization). In a medical or physiological sense, it means to produce a stinging sensation, high fever, or acute pain similar to a thermal burn, while figuratively it expresses an intense desire, consuming passion, or extreme haste.
- Ardeietură — A very rare or regional term designating a cut, incision, or section of a meat product that has been intensively rubbed or structurally filled with crushed hot pepper or red paprika. In an isolated figurative or popular sense, it can define the residual burning sensation left on the skin or mucous membranes following the careless handling of hot vegetables.
- Burnt — Having suffered the destructive or transformative action of fire, intense heat, or a corrosive chemical substance; charred, destroyed by combustion. In medical terms, it describes organic tissues affected by a burn; broadly and figuratively, it refers to a person harmed, severely deceived, or profoundly marked by intense passion or emotional suffering.
- Arsu — A Romanian toponym and surname directly derived from the adjective or past participle 'ars' (burnt). As a place name, it designates specific microtoponyms (hills, streams, or valleys) historically associated with forest fires, land clearing through fire for expanding pastures, or arid, calcareous soils heavily dried by the sun. As a surname, it reflects an archaic nickname linked to a physical trait or the bearer's place of origin.
- Arsul — The articulated variant of the toponym 'Arsu', specifically used to designate a particular geographical feature, such as the Arsul Peak or the Arsul stream. The definite article '-ul' emphasizes the uniqueness of the place within the respective community, indicating a prominent landform, a forest partially burnt in the past, or a watercourse that partially dries up during periods of intense heat.
- Arsura — The official name of several rural localities and watercourses in Romania, including the commune and village of Arsura in Vaslui County, as well as homonymous villages in counties like Vâlcea or Galați. Etymologically, the structural name originates from the historical practices of clearing forest land through burning to create agricultural spaces, referred to as village hearths, preserved as such in administrative documents.
- Burn — A tissue lesion caused by the direct action of heat (fire, hot liquids, steam), solar radiation, electric current, or corrosive chemical substances on the skin or mucous membranes. In a structural medical sense, its severity is classified into degrees (I-IV) based on the depth of cellular destruction. Colloquially, the term also describes the acute stinging gastric sensation found in digestive disorders or marks left by a hot object on a surface.
- Astragal — A polysemantic term with diverse structural applications: in anatomy, it represents the short bone of the tarsus (talus), located in the ankle, articulating with the tibia and fibula to transmit body weight to the foot; in classical architecture, it denotes a small, semicircular molding, often decorated with bead-and-reel motifs, separating the capital from the shaft of a column; in botany, it refers to a genus of herbaceous plants (Astragalus) in the Fabaceae family.