neo-

Origin

neo-

1.
a combining form meaning “new,” “recent,” “revived,” “modified,” used in the formation of compound words: neo-Darwinism; Neolithic; neoorthodoxy; neophyte.
2.
Chemistry. a combining form used in the names of isomers having a carbon atom attached to four carbon atoms: neoarsphenamine.
Also, especially before a vowel, ne-.


Origin:
< Greek, combining form of néos; akin to new
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Neo- is always a great word to know.
So is alum. Does it mean:
a highly concentrated, aqueous solution of potassium hydroxide or sodium hydroxide, or any solution resulting from leaching or percolation
a double sulfate analogous to potassium alum, as aluminum ammonium sulfate, with the formula R2SO4?X2(SO4)3?24H2O, where R is alkali metal or ammonium
Collins
World English Dictionary
neo- or (sometimes before a vowel) ne-
 
combining form
1.  (sometimes capital) new, recent, or a new or modern form or development: neoclassicism; neocolonialism
2.  (usually capital) the most recent subdivision of a geological period: Neogene
 
[from Greek neos new]
 
ne- or (sometimes before a vowel) ne-
 
combining form
 
[from Greek neos new]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

neo-
Gk. neo-, comb. form of neos "new," from PIE base newos (see new). Used in a seemingly endless number of adjectives and nouns, mostly coined since c.1880.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Medical Dictionary

neo- pref.

  1. New; recent: neonatal.

  2. New and different: Neo-Freudian.

  3. New and abnormal: neoplasm.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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