Columbia Encyclopedia

Search results

500 results found

base

(Encyclopedia)base: see acids and bases.

(Encyclopedia)indicators, acid-base, organic compounds that, in aqueous solution, exhibit color changes indicative of the acidity or basicity of the solution. Common indicators include p-nitrophenol, which is color...

Joint Base Andrews

(Encyclopedia)Joint Base Andrews, officially Joint Base Andrews Naval Air Facility Washington, formerly Andrews Air Force Base, U.S. military installation, 4,279 acres (1,732 hectares), central Md., est. 1943. It i...

acid-base indicators

(Encyclopedia)acid-base indicators: see indicators, acid-base. ...

Langley Air Force Base

(Encyclopedia)Langley Air Force Base, U.S. military installation, 3,195 acres (1,293 hectares), SE Va., N of Hampton; est. 1917 and named for aviation pioneer Samuel P. Langley, amalgamated 2010 with Fort Eustis in...

Lackland Air Force Base

(Encyclopedia)Lackland Air Force Base lăkˈlənd [key], U.S. military installation, c.6,835 acres (2,766 hectares), S Tex., W of San Antonio; est. 1941, amalgated 2010 with Fort Sam Houston and Randolph Air Force ...

Malmstrom Air Force Base

(Encyclopedia)Malmstrom Air Force Base mälmˈstrəm, mălmˈ– [key], U.S. military installation, 3,573 acres (1,446 hectares), W central Mont., E of Great Falls; est. 1942. During World War II, it was the takeof...

Andrews Air Force Base

(Encyclopedia)Andrews Air Force Base: see Joint Base Andrews. ...

Edwards Air Force Base

(Encyclopedia)Edwards Air Force Base, U.S. military installation, 301,000 acres (121,805 hectares), S Calif., NE of Lancaster; est. 1933. It is one of the largest air force bases in the United States and has the wo...