Columbia Encyclopedia

Search results

500 results found

Bond, William Cranch

(Encyclopedia)Bond, William Cranch, 1789–1859, American astronomer, b. Portland, Maine. He early aided his father in the trades of silversmith and clockmaker in Boston. He soon became an expert in the making of c...

Bond, George Phillips

(Encyclopedia)Bond, George Phillips, 1825–65, American astronomer, b. near Boston, grad. Harvard, 1845. He became the assistant of his father, William Cranch Bond, and in 1859 succeeded him as director of the Har...

bond

(Encyclopedia)bond, in finance, usually a formal certificate of indebtedness issued in writing by governments or business corporations in return for loans. It bears interest and promises to pay a certain sum of mon...

covalent bond

(Encyclopedia)covalent bond kōˌvāˈlənt [key]: see chemical bond. ...

ionic bond

(Encyclopedia)ionic bond: see chemical bond.

Bond, Julian

(Encyclopedia)Bond, Julian (Horace Julian Bond), 1940–2015, U.S. civil-rights leader, b. Nashville, Tenn. As a student at Morehouse College, he participated in sit-ins at segregated Atlanta restaurants. He was a ...

Bond Street

(Encyclopedia)Bond Street, in Westminster, London, England, famous for its fashionable shops. Among the noted residents of Bond St. have been the authors Laurence Sterne, James Boswell, and Jonathan Swift; Admiral ...

chemical bond

(Encyclopedia)chemical bond, mechanism whereby atoms combine to form molecules. There is a chemical bond between two atoms or groups of atoms when the forces acting between them are strong enough to lead to the for...

Browse by Subject