(physiology) metabolic equilibrium actively maintained by several complex biological mechanisms that operate via the autonomic nervous system to offset disrupting changes
not easily perturbed or excited or upset; marked by extreme calm and composure; "hitherto imperturbable, he now showed signs of alarm"; "an imperturbable self-possession"; "unflappable in a crisis"
the quality of being solid and reliable financially or factually or morally; "the solidity of the evidence worked in his favor"; "the solidness of her faith gave her enduring hope"
(physics) parity is conserved in a universe in which the laws of physics are the same in a right-handed system of coordinates as in a left-handed system
(mathematics) a relation between a pair of integers: if both integers are odd or both are even they have the same parity; if one is odd and the other is even they have different parity; "parity is often used to check the integrity of transmitted data"
(obstetrics) the number of liveborn children a woman has delivered; "the parity of the mother must be considered"; "a bipara is a woman who has given birth to two children"
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"