plano-

plano-

(word root) flat

Examples of words with the root plano-: planography

Abused, Confused, & Misused Words by Mary Embree Copyright © 2007, 2013 by Mary Embree

plano-

or plani- or plan-

pref.

Flat: planometer.

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[From Latin plānus, flat; see pelə- 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.

plano-

or sometimes before a vowel

plan-

combining form

indicating flatness or planeness: plano-concave.

[from Latin plānus flat, level]

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

Pla•no

(ˈpleɪ noʊ)

n.

a town in N Texas. 192,280.

plano-

or plani-

a combining form meaning “flat,” “plane”: planography.

[comb. form representing Latin plānus level, plānum level ground]

Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.