chloralose (?kl??r?l??z; ?kl??r?l??s) n (Chemistry) an anaesthetic and sedative composed of chloral and glucose, also used as a preparation to kill birds and rodentsCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014chlo?ral?ose (?kl?r ??lo?s, ?klo?r-) n. a crystalline compound, C8H11Cl3O6, used as an animal anesthetic. [1890?95] Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.