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a combining form meaning “iron,” used in the formation of compound words: siderolite.
ARE YOU A TRUE BLUE CHAMPION OF THESE "BLUE" SYNONYMS?
We could talk until we're blue in the face about this quiz on words for the color "blue," but we think you should take the quiz and find out if you're a whiz at these colorful terms.
Question 1 of 8
Which of the following words describes “sky blue”?
Also especially before a vowel, sider- .
Origin of sidero-1
<Greek sidēro-, combining form of sídēros iron
Words nearby sidero-
Other definitions for sidero- (2 of 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. 2021
British Dictionary definitions for sidero-
before a vowel sider-
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
Medical definitions for sidero-
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.