DEFINITIONS
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sidero-

1

a combining form meaning “iron,” used in the formation of compound words: siderolite.

Content related to sidero-

English Affixes From A To Z: A One-Stop List Of Suffixes, Prefixes, and Combining FormsIn English, we love to make new words by adding all sorts of bits to the front and back of existing terms. These are called affixes, and they are added to the base or stem of a word. When attached to the end of word, the affix is called a suffix. And to the beginning? A prefix.
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Words nearby sidero-

sidereal month, sidereal period, sidereal time, sidereal year, siderite, sidero-, sideroad, sideroblast, sideroblastic anemia, siderochrome, siderocyte
Also especially before a vowel, sider-.

Origin of sidero-

1
< Greek sidēro-, combining form of sídēros iron

Definition for sidero- (2 of 2)

sidero-2

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

Origin of sidero-

2
< Latin sīder- (stem of sīdus) star-group + -o-
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for sidero-

sidero-

before a vowel sider-

combining form

indicating ironsiderolite

Word Origin for sidero-

from Greek sidēros
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medicine definitions for sidero-

sidero-

pref.

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