#structural change

• Deepening — The act of deepening or becoming deeper and its result; the technical or natural process through which a cavity, riverbed, or pit becomes more profound. In a social, economic, or political context, the term designates the worsening, intensification, or amplification of a crisis, misunderstanding, or structural discrepancies between elements.
• Aeromorphosis — A structural, anatomical, or morphological modification directly determined by the action of air currents or wind on living organisms, especially plants. This structural adaptive phenomenon manifests through the bending of trunks, reduction of leaf surface, or asymmetrical development of the crown of trees exposed to dominant winds, ensuring increased mechanical resistance against uprooting.
• Alterant — Causing an alteration, degradation, or negative structural transformation; a substance, physical agent, or biological factor capable of modifying or spoiling the initial qualities of a medium, a chemical preparation, or a living tissue.
• Alteration — A structural, compositional, or functional modification of an element. In music, it represents the modification of a pitch using a graphical sign (sharp, flat, natural). In geology, it denotes the chemical or mineralogical transformation of rocks under the action of atmospheric or hydrothermal agents. In medicine, it indicates a pathological change in a tissue or organ.
• Alterative — Causing an alteration, a profound structural transformation, or a progressive organic change; in old medical terminology, it referred to a remedy capable of favorably modifying the nutritional state and metabolic processes of the body.
• Anagramming — The act of anagramming and its result; the technical or playful process of rearranging, permuting, and shifting the letter order of a word, name, or phrase to obtain a new text with a completely different meaning. This structural device is frequently used in literature to create pseudonyms, in rudimentary cryptography, or in designing word puzzles.
• Andropause — A period of progressive physiological decline in male sexual and endocrine functions associated with aging (clinically known as late-onset hypogonadism), structurally characterized by a gradual decrease in testosterone production.
• Prerevolutionary — Having occurred, existed, or structurally manifested during the period of time immediately preceding the outbreak of a major political or social revolution; used as a historical baseline. In socio-political analyses, the term describes the economic conditions, ideological currents, or class tensions specific to the old regime that grounded and precipitated the uprising.
• Atriomegaly — Abnormal, pathological, and permanent enlargement of the volume or dimensions of one or both cardiac atria, usually caused by chronic pressure or volume overload. This structural alteration is frequently associated with valvular stenosis or insufficiency (mitral or tricuspid) and predisposes the patient to the onset of severe cardiac rhythm disorders, such as atrial fibrillation.
• Physical decline — The act of growing senile and its result; a gradual process of physical degradation, weakening, or premature aging. In a colloquial context, the term defines the negative structural transformation of the body through weight gain, loss of muscle tone, or sagging, representing the action noun of the corresponding verb.