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a safety device, as an air bag or special seat belt, that is activated automatically to protect an automobile passenger at the moment of impact when a collision occurs.


Read Also:

  • Passive safety

    noun 1. the practice of taking measures to reduce the consequences of accidents, as opposed to attempting to avoid them altogether Compare active safety

  • Passive-smoking

    noun 1. the inhaling of cigarette, cigar, and pipe smoke of others, especially by a nonsmoker in an enclosed area. noun 1. the inhalation of smoke from other people’s cigarettes by a nonsmoker noun involuntary inhaling of smoke created by others

  • Passive-transfer

    noun 1. Immunology. injection of lymphocytes or antibody from an immune or sensitized donor to a nonimmune host in order to impart immunity or test for allergic reactions. passive transfer n. The transfer of skin-sensitizing antibodies from the blood of an allergic individual to that of a nonallergic individual in order to test for an […]

  • Passive tremor

    passive tremor n. A tremor occurring at rest, and diminishing or ceasing during voluntary movement.

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