(chemistry) any theory in which all matter is composed of tiny discrete finite indivisible indestructible particles; "the ancient Greek philosophers Democritus and Epicurus held atomic theories of the universe"
(psychology) a theory that reduces all mental phenomena to simple elements (sensations and feelings) that form complex ideas by association
a contract between two or more persons who agree to pool talent and money and share profits or losses
the members of a business venture created by contract
a cooperative relationship between people or groups who agree to share responsibility for achieving some specific goal; "effective language learning is a partnership between school, teacher and student"; "the action teams worked in partnership with the government"
a commercially sponsored ad on radio or television
connected with or engaged in or sponsored by or used in commerce or commercial enterprises; "commercial trucker"; "commercial TV"; "commercial diamonds"
of the kind or quality used in commerce; average or inferior; "commercial grade of beef"; "commercial oxalic acid"
of or relating to commercialism; "a commercial attache"; "commercial paper"; "commercial law"
a poor densely populated city district occupied by a minority ethnic group linked together by economic hardship and social restrictions
formerly the restricted quarter of many European cities in which Jews were required to live; "the Warsaw ghetto"
any segregated mode of living or working that results from bias or stereotyping; "the relative security of the gay ghetto"; "no escape from the ghetto of the typing pool"