Columbia Encyclopedia

Search results

500 results found

lockout

(Encyclopedia)lockout, intentional closing up of a company, factory, or shop by an employer to prevent employees from working during a strike or labor dispute. The term lockout is sometimes confused with the term s...

pentimento

(Encyclopedia)pentimento pĕnˌtəmĕnˈtō [key], painter's term for the evidence in a work that the original composition has been changed. Often the opaque pigment with which the artist covered a mistake or unwan...

health-care proxy

(Encyclopedia)health-care proxy, legal document in which a person assigns to another person, usually called an agent or proxy, the authority to make medical decisions in case of incapacitation. It is, in essence, a...

Piano, Renzo

(Encyclopedia)Piano, Renzo rĕntˈsō pyäˈnō [key], 1937–, Italian architect, b. Genoa. Piano attended architecture school at Milan Polytechnic, graduating in 1964. The prolific Piano has been lauded for respo...

diffusion

(Encyclopedia)diffusion, in chemistry, the spontaneous migration of substances from regions where their concentration is high to regions where their concentration is low. Diffusion is important in many life process...

Doppler effect

(Encyclopedia)Doppler effect, change in the wavelength (or frequency) of energy in the form of waves, e.g., sound or light, as a result of motion of either the source or the receiver of the waves; the effect is nam...

Antichrist

(Encyclopedia)Antichrist ănˈtĭkrīst [key], in Christian belief, a person who will represent on earth the powers of evil by opposing the Christ, glorifying himself, and causing many to leave the faith. He will b...

Obadiah, book of the Bible

(Encyclopedia)Obadiah, short prophetic book of the Bible. The prophet is otherwise unknown. The oracle which comprises this book dates from after the destruction of Jerusalem by the Babylonians in 586 b.c. The prop...

extradition

(Encyclopedia)extradition ĕkstrədĭshˈən [key], delivery of a person, suspected or convicted of a crime, by the state where he has taken refuge to the state that asserts jurisdiction over him. Its purpose is to...

miracle

(Encyclopedia)miracle, preternatural occurrence that is viewed as the expression of a divine will. Its awe and wonder lie in the fact that the cause is hidden. The idea of the miracle occurs especially with the evo...