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Having equal diameters or axes.
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.


(ˌaɪsəʊˌdaɪəˈmɛtrɪk) or


1. (Mathematics) having diameters of the same length
2. (Chemistry) (of a crystal) having three equal axes
3. (Biology) (of a cell or similar body) having a similar diameter in all planes
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014


(ˌaɪ səˌdaɪ əˈmɛ trɪk)

having equal diameters or axes.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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References in periodicals archive ?
The young mesophyll cells are isodiametrical, densely packed and are organized in a four layered adaxial palisade and a 4-5 layered abaxial spongy mesophyll (Fig.
Most of the U-shaped rills are isodiametrical (10 cm or a little more), while the V-shaped rills are larger than high.