| Noun | 1. | mechanism - the atomic process that occurs during a chemical reaction; "he determined unique mechanisms for the photochemical reactions"biochemical mechanism - a chemical mechanism involved in vital processes occurring in living organisms chemical action, chemical change, chemical process - (chemistry) any process determined by the atomic and molecular composition and structure of the substances involved |
| 2. | mechanism - the technical aspects of doing something; "a mechanism of social control"; "mechanisms of communication"; "the mechanics of prose style" carrying into action, carrying out, execution, performance - the act of performing; of doing something successfully; using knowledge as distinguished from merely possessing it; "they criticised his performance as mayor"; "experience generally improves performance" | |
| 3. | mechanism - a natural object resembling a machine in structure or function; "the mechanism of the ear"; "the mechanism of infection"natural object - an object occurring naturally; not made by man barrier - anything serving to maintain separation by obstructing vision or access transmission mechanism - any mechanism whereby an infectious agent is spread from a reservoir to a human being biological clock - an innate mechanism in living organisms that controls the periodicity of many physiological functions | |
| 4. | mechanism - (philosophy) the philosophical theory that all phenomena can be explained in terms of physical or biological causes philosophy - the rational investigation of questions about existence and knowledge and ethics philosophical doctrine, philosophical theory - a doctrine accepted by adherents to a philosophy | |
| 5. | mechanism - device consisting of a piece of machinery; has moving parts that perform some functionaction mechanism, action - the operating part that transmits power to a mechanism; "the piano had a very stiff action" actuator - a mechanism that puts something into automatic action axis of rotation, axis - the center around which something rotates carriage - a machine part that carries something else cartridge ejector, ejector - a mechanism in a firearm that ejects the empty shell case after firing cartridge extractor, cartridge remover, extractor - a mechanism in a firearm that pulls an empty shell case out of the chamber and passes it to the ejector clockwork - any mechanism of geared wheels that is driven by a coiled spring; resembles the works of a mechanical clock controller, control - a mechanism that controls the operation of a machine; "the speed controller on his turntable was not working properly"; "I turned the controls over to her" cooling, cooling system - a mechanism for keeping something cool; "the cooling was overhead fans" delayed action - a mechanism that automatically delays the release of a camera shutter for a fixed period of time so that the photographer can appear in the picture device - an instrumentality invented for a particular purpose; "the device is small enough to wear on your wrist"; "a device intended to conserve water" drive - a mechanism by which force or power is transmitted in a machine; "a variable speed drive permitted operation through a range of speeds" drive line, drive line system - mechanism that transmits power from the engine to the driving wheels of a motor vehicle fail-safe - a mechanism capable of returning to a safe state in case there is a failure or malfunction film advance - a mechanism for advancing film in a camera or projector gear mechanism, gear - a mechanism for transmitting motion for some specific purpose (as the steering gear of a vehicle) homing device - the mechanism in a guided missile that guides it toward its objective hydraulic system - a mechanism operated by the resistance offered or the pressure transmitted when a liquid is forced through a small opening or tube ignition system, ignition - the mechanism that ignites the fuel in an internal-combustion engine lock - a mechanism that detonates the charge of a gun mechanical device - mechanism consisting of a device that works on mechanical principles radiator - a mechanism consisting of a metal honeycomb through which hot fluids circulate; heat is transferred from the fluid through the honeycomb to the airstream that is created either by the motion of the vehicle or by a fan rotating mechanism - a mechanism that rotates steering linkage - mechanism consisting of a system of rods and levers connected to the front wheels of a motor vehicle; the steering gear pushes it left or right which swivels the front wheels, causing the vehicle to turn steering mechanism, steering system - a mechanism by which something is steered (especially a motor vehicle) tape drive, tape transport, transport - a mechanism that transports magnetic tape across the read/write heads of a tape playback/recorder whirler - a revolving mechanism |