from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The act or condition of containing.
- n. A policy of checking the expansion or influence of a hostile power or ideology, as by the creation of strategic alliances or support of client states in areas of conflict or unrest.
- n. A structure or system designed to prevent the accidental release of radioactive materials from a reactor.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the act of containing or something contained
- n. a policy of checking the expansion of a hostile foreign power by creating alliances with other states; especially the foreign policy strategy of the United States in the early years of the Cold War
- n. a physical system designed to prevent the accidental release of radioactive or other dangerous materials from a nuclear reactor or industrial plant.
- n. an inclusion
from the GNU version of the Collaborative International Dictionary of English
- n. That which is contained; the extent; the substance.
- n. the act of containing.
- n. the act or policy of restricting the influence or territorial growth of a hostile nation.
- n. the act of restricting some deleterious substance within a confined space, especially when such material is released unintentionally or by accident. Also used attributively, as a containment boom.
- n. a structure surrounding a nuclear power plant designed to prevent release of radioactive materials into the environment in the event of an accident.
from The Century Dictionary and Cyclopedia
- n. That which is contained or comprised; extent; contents.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the act of containing; keeping something from spreading
- n. (physics) a system designed to prevent the accidental release of radioactive material from a reactor
- n. a policy of creating strategic alliances in order to check the expansion of a hostile power or ideology or to force it to negotiate peacefully
contain + -ment (Wiktionary)