promise of reimbursement in the case of loss; paid to people or companies so concerned about hazards that they have made prepayments to an insurance company
an embankment built around a space for defensive purposes; "they stormed the ramparts of the city"; "they blew the trumpet and the walls came tumbling down"
measures taken as a precaution against theft or espionage or sabotage etc.; "military security has been stepped up since the recent uprising"
a guarantee that an obligation will be met
freedom from anxiety or fear; "the watch dog gave her a feeling of security"
a department responsible for the security of the institution's property and workers; "the head of security was a former policeman"
defense against financial failure; financial independence; "his pension gave him security in his old age"; "insurance provided protection against loss of wages due to illness"
property that your creditor can claim in case you default on your obligation; "bankers are reluctant to lend without good security"
a formal declaration that documents a fact of relevance to finance and investment; the holder has a right to receive interest or dividends; "he held several valuable securities"
the state of being free from danger or injury; "we support the armed services in the name of national security"
an impenetrable barrier to communication or information especially as imposed by rigid censorship and secrecy; used by Winston Churchill in 1946 to describe the demarcation between democratic and communist countries
a cushion-like device that reduces shock due to contact
a power tool used to buff surfaces
(computer science) a part of RAM used for temporary storage of data that is waiting to be sent to a device; used to compensate for differences in the rate of flow of data between components of a computer system
an ionic compound that resists changes in its pH
add a buffer (a solution); "buffered saline solution for the eyes"
certainty based on past experience; "he wrote the paper with considerable reliance on the work of other scientists"; "he put more trust in his own two legs than in the gun"