Columbia Encyclopedia

Search results

500 results found

flag, symbolic cloth

(Encyclopedia)flag, piece of cloth, usually bunting or similar light material, plain, colored, or bearing a device, varying in size and shape, but often oblong or square, used as an ensign, standard, or signal or f...

communication

(Encyclopedia)communication, transfer of information, such as thoughts and messages, as contrasted with transportation, the transfer of goods and persons (see information theory). The basic forms of communication a...

flag, in botany

(Encyclopedia)flag, common name for several plants belonging to the families Iridaceae and Araceae. See iris; arum. ...

Flag Day

(Encyclopedia)Flag Day, anniversary of the adoption of the American flag in 1777. It is celebrated on June 14 but is not a legal holiday.

symbolic logic

(Encyclopedia)symbolic logic or mathematical logic, formalized system of deductive logic, employing abstract symbols for the various aspects of natural language. Symbolic logic draws on the concepts and techniques ...

Shannon, Claude Elwood

(Encyclopedia)Shannon, Claude Elwood, 1916–2001, American applied mathematician, b. Gaylord, Michigan. A student of Vannevar Bush at the Massachusetts Institute of Technology (MIT), he was the first to propose th...

Jachin and Boaz

(Encyclopedia)Jachin and Boaz bōˈăz [key], in the Bible, two pillars in front of Solomon's Temple, probably symbolic of God's presence. ...

Browse by Subject