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antitruncation. In DICTIOUS you will not only get to know all the dictionary meanings for the word
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English
Etymology
From anti- + truncation.
Noun
antitruncation (countable and uncountable, plural antitruncations)
- (astronomy, of the disk of a spiral galaxy) The presence of an outer radial surface brightness profile that is distinctly shallower in scope than the main disk profile.
References
- P. Erwin, Antitruncation of Disks in Early-Type Barred Galaxies (2005).