The spelling of "racket amputation" may seem unusual at first glance, but it can be explained through phonetics. "Racket" is pronounced /rækət/ with two distinct syllables, while "amputation" is pronounced /æmpjəˈteɪʃən/ with four syllables. The combination of these two words creates a unique spelling. While it may not be a commonly used term, understanding the phonetics behind the spelling of "racket amputation" can aid in deciphering unfamiliar words in the future.
A circular or slightly oval a., in which a long incision is made in the axis of the limb.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.