a sign placed in front of an expression to denote that a root is to be extracted
a character conveying the lexical meaning of a logogram
a person who has radical ideas or opinions
especially of leaves; located at the base of a plant or stem; especially arising directly from the root or rootstock or a root-like stem; "basal placentation"; "radical leaves"
arising from or going to the root; "a radical flaw in the plan"
of or relating to or constituting a linguistic root; "a radical verb form"
an establishment consisting of a building or complex of buildings where an organization for the promotion of some cause is situated
a custom that for a long time has been an important feature of some group or society; "the institution of marriage"; "the institution of slavery"; "he had become an institution in the theater"
an organization founded and united for a specific purpose
an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"
the state of being in action or exerting power; "the agency of providence"; "she has free agency"
a piece of land prepared for playing a game; "the home crowd cheered when Princeton took the field"
the circumstances under which competition occurs; "the government's objective is to insure a genuinely level playing field for American industry and commerce in Europe"