#active

• Armendin — A chemical substance or active compound utilized experimentally or in biopharmaceutical research for its specific structural properties. In medical and organic compound nomenclature, the term refers to a molecule isolated or synthesized in the laboratory, studied for its cellular interactions at the receptor level or as a potential therapeutic ingredient in preventive formulations.
• Asama Yama — An active complex stratovolcano located in the center of Honshu Island, Japan, on the border between Gunma and Nagano prefectures. This mountain, rising above 2500 meters, is considered one of the most active and dangerous volcanoes in the Japanese archipelago, historically renowned for its catastrophic 1783 eruption, which caused massive destruction, loss of life, and regional climate effects.
• Mount Aso — Mount Aso (Aso-san); the largest active volcano in Japan and one of the largest in the world, located in Kumamoto Prefecture on Kyushu Island. It represents a remarkable volcanic complex, famous for its massive caldera with a circumference of approximately 120 kilometers, which houses several settlements and an active central crater (Nakadake) constantly emitting sulfurous gases.
• Good-looking — Having a beautiful, pleasant, or attractive appearance; an object, product, or dish characterized by a neat, elegant, and visually well-structured design, capable of making a positive impression on the observer or buyer.
• Good-looking — Having a beautiful, pleasant, attractive, or elegant appearance; an object, dish, or decorative element presented in a superior aesthetic form, leaving a highly positive visual impression. It is frequently applied in culinary arts, design, and commerce to describe goods that attract the buyer through the outstanding quality of their exterior presentation.
• Asthenopia — An ophthalmological condition manifested by rapid visual fatigue, accompanied by headaches, tearing, blurred vision, and a burning sensation in the eyes; it usually occurs following prolonged visual effort (reading, computer work) or due to improperly corrected refractive errors (hyperopia, astigmatism).
• Astigmatic — A person suffering from astigmatism (a refractive error where light rays do not focus on a single point on the retina due to an irregular curvature of the cornea or lens, causing blurred or distorted vision at any distance); as an adjective, it describes an eye, optical system, or lens affected by or designed to correct this geometric aberration.
• Astigmatic — The feminine form of the word 'astigmat'; a woman or female person suffering from astigmatism; as an adjective, it refers to a manifestation, an ocular anatomical structure, a lens, or an image affected by this refractive error or designed to treat it.
• Astigmatic — Relating to astigmatism, exhibiting this refractive error, or designed for its correction; an adjective used to describe an eye whose cornea has an irregular curvature, a light beam that cannot focus on a single point, or a lens (toric or cylindrical) specifically designed to remedy this geometric aberration; as a noun, it denotes an astigmatic person.
• Astigmatic — The feminine form of the word 'astigmatic'; it refers to a woman affected by astigmatism or to a manifestation, lens, or ocular structure displaying characteristics specific to this optical focusing aberration or used for its correction.
• Astigmatism — A refractive error of the eye, either congenital or acquired, characterized by an irregular, asymmetrical curvature of the cornea or lens, which prevents light rays from converging onto a single focal point on the retina, causing blurred, unclear, or distorted vision both at a distance and up close.
• Astigmometer — An optical precision apparatus or instrument used in ophthalmology and optometry to measure the degree and axes of ocular astigmatism, evaluating the curvature irregularities of the anterior surface of the cornea.
• At — The official chemical symbol for the element astatine, an extremely rare and unstable radioactive halogen with atomic number 85. In modern periodic tables, At represents the heaviest characterized element in the halogen group, whose physical and chemical properties are theoretically deduced or microscopically observed in high-energy nuclear physics laboratories due to its very short half-life.
• Histoautoradiography — A highly precise histological method that allows the exact microscopic localization of radioactive substances previously introduced into an organism, tissue, or cell culture, by applying a thin layer of photographic emulsion directly over the examined biological section. The resulting image (autohistoradiogram) reveals the intimate distribution of labeled compounds, providing crucial insights into cellular metabolism, nucleic acid synthesis, and macromolecular dynamics within intact tissue structures.
• To nominate oneself — To propose oneself as a candidate for an office, dignity, mission, award, or hierarchical position, without waiting to be nominated by another person or a formal group; to consciously and autonomously present one's availability and skills for assuming a leadership role or a structural responsibility. In an organizational context, it reflects a proactive assertive behavior associated with self-efficacy and career management.
• Autorefractor — A computerized medical device used in ophthalmology and optometry for the automatic and objective measurement of eye refractive errors, such as myopia, hyperopia, or astigmatism. This device analyzes how light is reflected off the retina, providing the specialist with a highly accurate baseline value for the subsequent prescription of eyeglasses or contact lenses.