Swimming. individual medley.
Also I.M. Isle of Man.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
British Dictionary definitions for i.m. (1 of 2)
the internet domain name for
Isle of Man
British Dictionary definitions for i.m. (2 of 2)
computing instant messaging
Also: i.m. intramuscular
chess International Master
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
Medical definitions for i.m.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.