Columbia Encyclopedia

Search results

500 results found

soap

(Encyclopedia)soap, a cleansing agent. It cleanses by lowering the surface tension of water, by emulsifying grease, and by absorbing dirt into the foam. Ancient peoples are believed to have employed wood ashes and ...

bow and arrow

(Encyclopedia)bow and arrow, weapon consisting of two parts; the bow is made of a strip of flexible material, such as wood, with a cord linking the two ends of the strip to form a tension from which is propelled th...

Lahti

(Encyclopedia)Lahti läˈtē, läkhˈ– [key], city (1998 pop. 96,227), Southern Finland prov., S central Finland. Connected with the southern end of the Päijänne lake system, it is an important lake port as wel...

meranti

(Encyclopedia)meranti, any of several species of Shorea, the most important timber genus in tropical Asia, of the family Dipterocarpaceae. Meranti is an important emergent tree of the tropical forests of Asia. The ...

lye

(Encyclopedia)lye, name commonly used for a strongly alkaline solution. It originally meant a solution of potassium carbonate (potash) prepared by leaching wood ashes with water, but now the name also means a solut...

Krasnoyarsk

(Encyclopedia)Krasnoyarsk krəsnəyärskˈ [key], city (1989 pop. 913,000), capital of Krasnoyarsk Territory, W Siberian Russia, on the Yenisei River. A major river port and rail center, it has industries producing...

Henryson, Robert

(Encyclopedia)Henryson, Robert, c.1425–c.1506, Scottish poet. It is thought that he was a schoolmaster at Dunfermline Abbey. His principal poem is The Testament of Cresseid, which was written as a harshly moral e...

Grangemouth

(Encyclopedia)Grangemouth grānjˈməth, –mouth [key], town (1981 pop. 21,744), Falkirk, central Scotland, on the Forth River at the eastern terminus of the Forth and Clyde canal. Grangemouth is an important oil ...

joinery

(Encyclopedia)joinery, craft of assembling exposed woodwork in the interiors of buildings. Where carpentry refers to the rougher, simpler, and primarily structural elements of wood assembling, joinery has to do wit...

japanning

(Encyclopedia)japanning jəpănˈing [key], method of varnishing a surface, such as wood, metal, or glass, to obtain a durable, lustrous finish. The term is derived from a process popular in England, France, the Ne...