2 ENGINEERING ACHIEVEMENTS


Mach


Mach /mɑk, mk/ n [U] short forMach number; Mach 1 is the speed of sound


mach. abb. for 1. machine 2. machinery 3. machinist


machine1 /məʃin/ n [C] a piece of equipment that uses power to do a job: a welding machine; We weld the metal by machine.


machine2 v [T] to make or change something using a machine – machinist n.


machinery n [U] /məʃinəri/ machines, especially large ones: industrial machinery


mechanic /məknik/ n [C] someone who repairs vehicles and machinery as a job


mechanical /məknikl/ adj 1. relating to machines: mechanical engineering 2. saying or doing something without thinking: a mechanical answer


medal


mechanics /məkniks/ n [U] 1. the science of the effects of forces on objects: The mechanics of materials is studied in the first year. 2. the technical aspects of something: the mechanics of speech


mechanism/mekənizəm/ n [C] 1. the part of a machine that does a specific job: the braking mechanism 2. a way of working or a process for doing something: There is a mechanism for monitoring the pressure in the boiler.


mechanize (or –ise) /mekənaiz/ v [T] to convert a process so that machines can do it: We mechanized the assembly line.


mechanized /mekənaizd/ adj done by machines: mechanized processes


medal /medəl/ n [C] a round, flat piece of metal which is given as a prize to an athlete or for brave actions in a war


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