Columbia Encyclopedia

Search results

397 results found

Eastwood, Clint

(Encyclopedia)Eastwood, Clint (Clinton Eastwood, Jr.), 1930–, American actor and director, b. San Francisco. Eastwood, who began his acting career in 1955, came to public attention in the TV Western Rawhide and i...

e-cigarette

(Encyclopedia)e-cigarette or electronic cigarette, a device that produces an aerosol from a liquid containing nicotine or another active ingredient, allowing it to be inhaled in a manner similar to smoking a cigare...

radiation sickness

(Encyclopedia)radiation sickness, harmful effect produced on body tissues by exposure to radioactive substances. The biological action of radiation is not fully understood, but it is believed that a disturbance in ...

sentence

(Encyclopedia)sentence, in criminal law, punishment that a court orders, imposed on a person convicted of criminal activity. Sentences typically consist of fines, corporal punishment, imprisonment for varying perio...

psychosis

(Encyclopedia)psychosis sīkōˈsĭs [key], in psychiatry, a broad category of mental disorder encompassing the most serious emotional disturbances, often rendering the individual incapable of staying in contact wi...

psychotherapy

(Encyclopedia)psychotherapy, treatment of mental and emotional disorders using psychological methods. Psychotherapy, thus, does not include physiological interventions, such as drug therapy or electroconvulsive the...

Black Panthers

(Encyclopedia)Black Panthers, U.S. African-American militant party, founded (1966) in Oakland, Calif., by Huey P. Newton and Bobby Seale. Originally aimed at armed self-defense against the local police, the party g...

cartel

(Encyclopedia)cartel kärtĕlˈ [key], national or international organization of manufacturers or traders allied by agreement to fix prices, limit supply, divide markets, or to fix quotas for sales, manufacture, or...

steroids

(Encyclopedia) CE5 Two examples of steroids steroids, class of lipids having a particular molecular ring structure called the cyclopentanoperhydro-phenanthrene ring system. Steroids differ from one another in th...

metabolite

(Encyclopedia)metabolite, organic compound that is a starting material in, an intermediate in, or an end product of metabolism. Starting materials are substances, usually small and of simple structure, absorbed by ...
 

Browse by Subject