Definition of total quality in US English:

total quality

noun

Business
  • (A theory of) management based on the principle that the highest standards of work must be maintained throughout every level of an organization's operations, especially in order to guarantee efficient working practices and high-quality products and services; usually attributive, especially in "total quality assurance" (abbreviated TQA), "total quality control" (abbreviated TQC), "total quality management" (abbreviated TQM).

Origin

1950s; earliest use found in The New York Times.