-metrysuff. Process or science of measuring: isometry.[Greek -metri?, from metron, measure; see m?- in Indo-European roots.]American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.-metry n combining form indicating the process or science of measuring: anthropometry; geometry. [from Old French -metrie, from Latin -metria, from Greek, from metron measure] -metric adj combining formCollins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014-metry a combining form with the meaning ?the process of measuring? that specified by the initial element: anthropometry. [