irruption

irruption definition - medical

ir·rup·tion (ĭ-rŭpˈshən)

noun
The act or process of breaking through to a surface.

The American Heritage® Medical Dictionary Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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