a body of water smaller than a lake, sometimes artificially formed, as by damming a stream.
verb (used without object)
(especially of water) to collect into a pond or large puddle:
to prevent rainwater from ponding on the roof.
c.1300 (mid-13c. in compounds), “artificially banked body of water,” variant of pound “enclosed place” (see pound (n.2)). Applied locally to natural pools and small lakes from late 15c. Jocular reference to “the Atlantic Ocean” dates from 1640s. Pond scum (Spirogyra) is from 1864 (also called frog-spittle and brook-silk. As figurative for “someone extremely repulsive,” from 1984.
An inland body of standing water that is smaller than a lake. Natural ponds form in small depressions and are usually shallow enough to support rooted vegetation across most or all of their areas.
noun, Chemistry. 1. a colorless, water-soluble, thermoplastic resin, derived by the hydrolysis of polyvinyl acetate: used chiefly as an adhesive and as a sizing agent in the manufacture of textiles, paper, and plastics.
noun, Chemistry. 1. a colorless, odorless, nontoxic, transparent, thermoplastic, water-insoluble resin used as an adhesive in certain paints and as an intermediate in the synthesis of polyvinyl acetal and polyvinyl alcohol. noun 1. a colourless odourless tasteless resin used in emulsion paints, adhesives, sealers, a substitute for chicle in chewing gum, and for sealing porous […]
noun, Chemistry. 1. any of the class of thermoplastic resins derived by the condensation of an aldehyde with polyvinyl alcohol. 2. the slightly yellow, water-insoluble resin produced from partially hydrolyzed polyvinyl acetate and formaldehyde: used chiefly in the manufacture of lacquers, photographic film, and adhesives.
[pol-ee-vahyn-l] /ˌpɒl iˈvaɪn l/ adjective, Chemistry. 1. pertaining to or derived from a . /ˌpɒlɪˈvaɪnɪl; -ˈvaɪnəl/ noun 1. (modifier) designating a plastic or resin formed by polymerization of a vinyl derivative n. 1930, polymer of vinyl chloride. In chemistry, vinyl was used from 1863 as the name of a univalent radical derived from ethylene, from […]