RACEMIC a.
Pertaining to, or designating, an acid found in many kinds of grapes. It is also obtained from tartaric acid, with which it is isomeric, and from sugar, gum, etc., by oxidation. It is a sour white crystalline substance, consisting of a combination of dextrorotatory and levorotatory tartaric acids. Gregory.…
RAIFFEISEN a.
Designating, or pertaining to, a form of coöperative bank founded among the German agrarian population by Friedrich Wilhelm Raiffeisen (1818-88); as, Raiffeisen banks, the Raiffeisen system, etc. The banks are unlimited-liability institutions making small loans at a low rate of interest, for a designated purpose, to wo…
RAPID-FIRE; RAPID-FIRING a. 2 definitions
In the United States navy, designating such a gun using fixed ammunition or metallic cartridge cases; -- distinguished from breech- loading (abbr. B. L.), applied to all guns loading with the charge in bags, and formerly from quick-fire. Rapid-fire guns in the navy also sometimes include automatic or semiautomatic rapi…
REVOLUTION n.
rbit, until it returns to the same point again, or to a point relatively the same; -- designated as the annual, anomalistic, nodical, sidereal, or tropical revolution, according as the point of return or completion has a fixed relation to the year, the anomaly, the nodes, the stars, or the tropics; as, the revolution o…