#sun

• Diverting / Deviating — A term describing a factor, stimulus, nervous pathway, or structural element that induces a change of direction, reflection, or deviation of a physiological impulse or a biomechanical axis. In neurophysiology, it can refer to collateral neural pathways (shunts) that divert nerve impulses from their main path during central lesions, or an orthopedic device designed to correct the deviating axis of a limb affected by spasticity.
• Abendmusik (music therapy style) — A cultural term of German origin designating a series of evening musical performances, transposed into art therapy, clinical music therapy, and sleep management. In neuro-psychiatry protocols, the concept of abendmusik is used to describe structured interventions using relaxing, low-frequency music with steady rhythms, performed in the latter part of the day. The therapeutic purpose consists in reducing evening psychomotor agitation (sundowning syndrome found in dementias), inducing cortical relaxation, lowering cortisol levels, and facilitating the onset of sleep in patients with chronic anxiety or insomnia.
• Acute — Manifesting intensely, suddenly, and for a short duration, being the opposite of chronic conditions (in medicine); a high-pitched, thin, or sharp sound (in music and phonetics); also, describes an angle smaller than 90 degrees (in geometry). Figuratively, the term expresses a piercing sensation, a pressing crisis, or an extremely fine and sharp sensitivity of the senses.
• Deepened — Having been made deep or deeper; hollowed out, excavated, or lowered beneath a reference surface. As an adjective, it describes a landform with pronounced valleys, an anatomical feature recessed inward (such as eyes sunken in their orbits), or, figuratively, an individual completely immersed in thoughts, meditation, sleep, or an intense emotional state.
• Deepened — Having been made deeper, hollowed out, lowered beneath a reference surface, or intensified. As an adjective, it describes an excavated landform (such as a dredged riverbed), a recessed anatomical feature, or, figuratively, a phenomenon, crisis, or feeling that has become much more severe, profound, and accentuated.
• To apheresize — To subject a word or lexical structure to the process of apheresis; to eliminate or suppress a sound (a vowel or consonant) or a syllable from the beginning of a word. This phonetic phenomenon, encountered both in the historical evolution of languages and in rapid daily speech or dialects, is applied consciously or accidentally to ease articulation.
• Aphelion — The point in the elliptical orbit of a planet, comet, or celestial body at which it is furthest from the Sun. At this point, according to Kepler's laws, the orbital velocity reaches its absolute minimum, being diametrically opposite the perihelion.
• Away from keyboard — Acronym borrowed from the English jargon 'away from keyboard', widely used in Romanian virtual communities, video games, and messaging platforms to indicate that the user is temporarily away from the computer or unavailable to respond. Although used as a standalone word in the current speech of young people, it is not included in classical academic Romanian dictionaries.
• To devoice — To deprive of sound, echo, or sonorous properties; to transform a voiced sound into a voiceless one by stopping the vibration of the vocal cords. In modern acoustic engineering, the term is used very rarely to describe the complete attenuation of sound emissions.
• Devoicing — The act of devoicing or deadening sound; the process of transforming a voiced sound into a voiceless one by stopping vocal cord vibration during articulation. In audio engineering, it describes the extreme attenuation of sound waves or the mitigation of resonance within an acoustic chamber.
• Sunken — Having been introduced or deeply immersed into a liquid, solid, or soft medium; located at a considerable depth or secluded in an untrodden place. Figuratively, it describes a person completely absorbed in thoughts, study, intense feelings, or overwhelmed by financial troubles.
• Agrostology — A branch of botany that deals with the systematic, morphological, ecological, and economic study of grasses (family Poaceae), including meadow grasses, cereals, and reeds. This discipline provides the scientific foundation for sustainable pasture management, forage crop breeding, and the ecological restoration of grassy habitats affected by erosion or overgrazing.
• Cooing — A regional or archaic onomatopoeic term used to describe the specific cooing, guttural sounds, and early vocalizations emitted by infants before developing articulate speech; as an adjective, it describes a child making these sweet sounds or a gentle, coddled behavioral manifestation.
• Akra — A proper noun designating a famous 2nd-century BC ancient fortress built in Jerusalem by Antiochus IV Epiphanes, serving as a structural Syrian military outpost; it also represents a remarkable underwater archaeological site (sunken ancient city) located in Crimea, on the coast of the Kerch Strait, belonging to the former Bosporan Kingdom. In geography, it is also the name of a peninsula or rocky cape in the Black Sea, this toponymic hub reflecting, through its Greek root (akra - summit, promontory), the high defensive or geographical positioning of ancient settlements.
• Barking — A regional or archaic phonetic variant for 'lătrare' (barking); the act of barking and its result, consisting of the specific sound emitted by dogs or their noisy manifestation. In a figurative sense, the term denotes a violent verbal outburst, a harsh scolding, or a series of sharp shouts done with the purpose of intimidating.
• Ali — An extremely famous proper masculine name of Arabic origin, historically borne by Alī ibn Abī Ṭālib (c. 600–661), cousin and son-in-law of the Prophet Muhammad, the fourth Rightly Guided Caliph in Sunni Islam and the foundational figure (first Imam) in Shia Islam. Culturally, it stands for justice and courage.
• Aliquot — A specialized term used in acoustics and music to describe an aliquot part of a vibrating string or air column that produces an upper harmonic sound (aliquot tone). In organology and instrument making, it defines the system of aliquot (resonating) strings added to certain pianos (Blüthner system) or violins (like the viola d'amore), which are not struck directly but vibrate freely by sympathy, enriching the musical timbre.
• Aliquote sounds — An acoustic and musical technical term designating higher harmonic sounds (flageolets) produced naturally by the secondary vibration of a string or through overblowing in wind instruments; it also refers to sympathetic strings or special organ registers designed to reproduce or reinforce these upper harmonics.
• Alpage — A traditional process, action, or pastoral system consisting of sending, grazing, and maintaining cattle or sheep flocks on high alpine meadows and pastures during the summer season. This economic and structural mechanism optimizes the utilization of natural forage resources and contributes to preserving specific mountain biodiversity.
• Amalasuntha — A prominent historical figure of Late Antiquity, serving as the regent queen of the Ostrogoths (526–534) and later queen regnant (534–535); daughter of Theodoric the Great. Famous for her high education and pro-Byzantine policy, her assassination triggered Justinian's invasion of Italy.