Definition of time and motion in English:
time and motion
adjective ˌtʌɪm ən(d) ˈməʊʃn
Attributive Designating the study of an industrial or other operation with regard to the time taken and method followed in carrying out each of its constituent tasks, usually with a view to improving efficiency; relating to, concerned with, or involving study of this kind. Compare earlier time study.
Origin
Early 20th century. From time + and + motion.
Definition of time and motion in US English:
time and motion
adjectiveˌtʌɪm ən(d) ˈməʊʃn
Attributive Designating the study of an industrial or other operation with regard to the time taken and method followed in carrying out each of its constituent tasks, usually with a view to improving efficiency; relating to, concerned with, or involving study of this kind. Compare earlier time study.
Origin
Early 20th century. From time + and + motion.