#Bach

• Albuminometer — A laboratory apparatus, typically in the form of a graduated glass tube (such as the Esbach type), used for the quantitative measurement of albumin dissolved in an organic fluid by evaluating the volume of precipitate formed.
• Auer — A proper noun of Germanic origin, famous in the history of science due to the Austrian chemist Carl Auer von Welsbach (1858-1929), discoverer of praseodymium and neodymium and inventor of the incandescent gas mantle. It also designates a village in South Tyrol (Italy).
• Auer von Welsbach — The full name of Baron Carl Auer von Welsbach (1858-1929), a celebrated Austrian chemist, inventor, and entrepreneur. He is globally recognized for isolating and discovering the chemical elements praseodymium and neodymium in 1885, as well as for developing the incandescent gas mantle and the osmium filament.
• Auerbach — A proper noun of German origin used as a toponym for several towns in Germany and Austria. It also functions as a surname borne by notable figures such as writer Berthold Auerbach or basketball coach Red Auerbach, and is historically associated with 'Auerbachs Keller' in Leipzig.
• Bach — A globally famous German surname, borne by an entire dynasty of musicians, culminating in Johann Sebastian Bach, the genius of the Baroque era, a composer and organist renowned for his absolute mastery of counterpoint and fugue. In a secondary sense, the word originates from the German common noun 'Bach' meaning brook, and is used as a toponymic element across numerous European regions.
• Bachelard — A French surname globally celebrated in academic circles due to Gaston Bachelard, an influential 20th-century philosopher, epistemologist, and literary critic. His structural body of work revolutionized the philosophy of science by introducing the concept of the 'epistemological obstacle' and deeply analyzed the poetic imagination through the lens of nature's primordial elements, heavily influencing structuralism and poststructuralism.
• Bachelite — A rare mineral or a structural petrographic variety described in old geological reference works, sometimes used as a spelling variant for industrial bakelite or as a regional name for a certain type of compact sedimentary rock. In contemporary vocabulary, it is monitored to prevent confusion with bakelite (the plastic material), representing a strictly technical term within a narrow geological niche.
• Bakelite — A synthetic resin derived from the condensation of formaldehyde with phenol in the presence of an acid or alkaline catalyst, famously recognized as the world's first fully synthetic plastic material. This thermosetting polymer possesses excellent electrical insulation properties and high heat resistance, being extensively utilized in manufacturing appliance casings, insulators, industrial parts, and vintage design objects.
• Bacchic — Pertaining or relating to the god Bacchus (Dionysus), his cult, or to festivities characterized by abundant wine consumption and revelry; in a literary and figurative sense, it describes a noisy party atmosphere, behavior induced by drinking, a state of joyful intoxication, or a lyrical creation dedicated to praising wine and earthly pleasures.
• Bacchylides — An ancient Greek lyric poet (5th century BC), native to Iulis on the island of Ceos, nephew of Simonides and a contemporary rival of Pindar. He is renowned for his epinicians (triumphal odes dedicated to victors at the Panhellenic games) and dithyrambs, which are characterized by an elegant narrative style, great clarity of expression, fluid composition, and a refined use of myths reflected in artistic images of exceptional sensitivity.
• Young shepherdess — A diminutive form, extremely rare and regionally localized, used to designate a young female shepherdess or a woman who helps with minor chores at a sheepfold. In certain Carpathian dialects, the term can also describe a shepherd's young daughter or a simple pastoral tune played on a flute.
• Bachmann — A surname of Germanic origin borne by prominent figures, most frequently associated in cultural discourse with Ingeborg Bachmann (1926-1973), one of the most important Austrian writers, poets, and essayists of the 20th century. Her work explores profound themes such as post-war trauma, the crisis of language, the limitations of poetic expression, and the difficult condition of women in a patriarchal society.
• Bachofen — A surname of Swiss origin, universally associated with Johann Jakob Bachofen (1815-1887), a famous jurist, philologist, and social anthropologist. He is recognized as one of the pioneers of evolutionary anthropology due to his seminal work 'Mother Right' (Das Mutterrecht, 1861), in which he formulated the first systematic theory regarding the existence of a prehistoric matriarchal stage in human social evolution.
• Bacchus — An alternative and common spelling variant for Bacchus, the Roman god of wine, the grapevine, vegetation, mystical ecstasy, and festivities (identified with Dionysus in Greek mythology). In a figurative and everyday sense, the name is used as a personification of alcohol consumption, lively banquets, bohemian parties, and the cult dedicated to dionysian pleasures.