Definition of advancement
a : promotion or elevation to a higher rank or position
b : progression to a higher stage of development
2 : an improved feature : improvement
3 medical : surgical detachment of a muscle or tendon from its insertion followed by reattachment at a more advanced point from its insertion Best results are obtained by simple excision and meticulous repair or advancement of the triceps tendon to the olecranon.— Panayiotis J. Papagelopoulos et al.
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