(Encyclopedia) decompression sickness, physiological disorder caused by a rapid decrease in atmospheric pressure, resulting in the release of nitrogen bubbles into the body tissues. It is also known…
(Encyclopedia) Chronicles, two books of the Bible, originally a single work in the Hebrew canon (the final book of that canon), called First and Second Chronicles in the Authorized Version, and…
(Encyclopedia) pontoon, one of a number of floats used chiefly to support a bridge, to raise a sunken ship, or to float a hydroplane or a floating dock. Pontoons have been built of wood, of hides…
(Encyclopedia) poodle, popular breed of dog probably originating in Germany but generally associated with France, where it has been raised for centuries. There are three varieties, differing in size…
(Encyclopedia) trumpet, brass wind musical instrument of part cylindrical, part conical bore, in the shape of a flattened loop and having three piston valves to regulate the pitch. Its origin is…
(Encyclopedia) thyrotropinthyrotropinthīˌrätrōˈpĭn [key] or thyroid-stimulating hormone (TSH), hormone released by the anterior pituitary gland that stimulates the thyroid gland to release thyroxine…
(Encyclopedia) quietism, a heretical form of religious mysticism founded by Miguel de Molinos, a 17th-century Spanish priest. Molinism, or quietism, developed within the Roman Catholic Church in…
(Encyclopedia) ballisticsballisticsbəlĭsˈtĭks [key], science of projectiles. Interior ballistics deals with the propulsion and the motion of a projectile within a gun or firing device. Its problems…
(Encyclopedia) rationalism [Lat.,=belonging to reason], in philosophy, a theory that holds that reason alone, unaided by experience, can arrive at basic truth regarding the world. Associated with…
(Encyclopedia) Riefenstahl, Leni (Berta Helene Amalie Riefenstahl)Riefenstahl, Lenilāˈnē rēˈfənshtälˌ, bĕrˈtə hālāˈnə ämälˈyə [key], 1902–2003, German filmmaker, b. Berlin. First a dancer, then an…