Prejudice is a negative cultural attitude, directed against an individual
or a group of people, that is based on stereotypes. The term comes from the word
"prejudge," which means to judge without sufficient information or knowledge.
SOURCES:
Merriam-Webster Online Dictionary & http://www.adl.org/prejudice/prejudice_terms.asp#Prejudice
A stereotype is an exaggerated oversimplified belief about an entire group of
people, such as an ethnic group or a religious group, without regard for individual
differences.
SOURCE: http://www.adl.org/prejudice/prejudice_terms.asp#Stereotype
Discrimination is behavior that follows prejudicial thinking. Discrimination is
the denial of justice and fair treatment in many arenas, including education,
employment, housing and political rights.
SOURCE: http://www.adl.org/prejudice/prejudice_terms.asp#Discrimination