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IRM

abbreviation for
  1. innate releasing mechanism
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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 from the Web for irm

Historical Examples

  • That was a dreadful night, because they lit great flares of fern and ran screaming, and the lion missed his hold of Irm.

    Tales of Space and Time

    Herbert George Wells