Columbia Encyclopedia

Search results

484 results found

zinc oxide

(Encyclopedia)zinc oxide, chemical compound, ZnO, that is nearly insoluble in water but soluble in acids or alkalies. It occurs as white hexagonal crystals or a white powder commonly known as zinc white. Zinc white...

Banjarmasin

(Encyclopedia)Banjarmasin or Bandjarmasin both: bänˌjərmäˈsĭn [key], city, capital of Kalimantan ...

sapodilla

(Encyclopedia)sapodilla, the edible fruit of Manilkara zapota (formerly Achras zapota), of the family Sapotaceae. The fleshy, brown fruit is the size of a small tomato, and has the flavor and texture of cinnamon, a...

insulation

(Encyclopedia)insulation ĭnˌsəlāˈshən, ĭnˌsyo͝o– [key], use of materials or devices to inhibit or prevent the conduction of heat or of electricity. Common heat insulators are, fur, feathers, fiberglass, ...

Greenville

(Encyclopedia)Greenville. 1 City (2020 pop. 29,670, seat of Washington co., W Miss., on Lake Ferguson, a deepwater harbor adjoining the Mississippi River; inc. ...

table tennis

(Encyclopedia)table tennis, game played, usually indoors, by two or four players; it is more or less a miniature form of lawn tennis. It is also called Ping-Pong, after the trade name that a manufacturer adopted (c...

Dumfries, town, Scotland

(Encyclopedia)Dumfries dəmfrēsˈ [key], town, Dumfries and Galloway, SW Scotland, on the Nith River. The ...

chalk

(Encyclopedia)chalk, mineral of calcium carbonate, similar in composition to limestone, but softer. It is characteristically a marine formation and sometimes occurs in great thickness; the chief constituents of the...

iron lung

(Encyclopedia)iron lung, device used to maintain artificial respiration over an extended period of time. Before the successful vaccination program against poliomyelitis, it was used mostly in treatment of that dise...

Hanover, cities, United States

(Encyclopedia)Hanover. 1 Town (2020 pop. 14,833), Plymnouth co., SE Mass.; settled 1649, inc. 1727. An iron forge was located there that produced anchors and ...