sidero

sidero-

1
a combining form meaning “iron,” used in the formation of compound words: siderolite.
Also, especially before a vowel, sider-.


Origin:
< Greek sidēro-, combining form of sídēros iron

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sidero-

2
a combining form meaning “star,” “constellation,” used in the formation of compound words: siderostat.

Origin:
< Latin sīder- (stem of sīdus) star-group + -o-

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Collins
World English Dictionary
sidero- or (before a vowel) sider-
 
combining form
indicating iron: siderolite
 
[from Greek sidēros]
 
sider- or (before a vowel) sider-
 
combining form
 
[from Greek sidēros]

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Medical Dictionary

sidero- or sider-
pref.
Iron: sideropenia.

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