abbreviation
-
hepatitis-associated antigen; an antigen that occurs in the blood serum of some people, esp those with serum hepatitis
"Collins English Dictionary — Complete & Unabridged"
2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986
© HarperCollins Publishers 1998, 2000, 2003, 2005,
2006, 2007, 2009, 2012
Examples are provided to illustrate real-world usage of words in context. Any
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HAA struggled staying in shared rooms at a large occupancy site and was a "potentially vulnerable individual".
From
BBC
●
Mar. 14, 2025
Mr Epton said HAA wished to extend its condolences to the family and friends of the dead pilot.
From
BBC
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May 26, 2024
Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
