an elaborate and systematic plan of action | a dome-shaped covering made of transparent glass or plastic |
an internal representation of the world; an organization of concepts and actions that can be revised by new information about the world | an impracticable and illusory idea |
a schematic or preliminary plan | a speculative scheme that depends on unstable factors that the planner cannot control |
a statement that evades the question by cleverness or trickery | a hollow globule of gas (e.g., air or carbon dioxide) |
a group of independent but interrelated elements comprising a unified whole | |