staurolite
[ stawr-uh-lahyt ]
/ ˈstɔr əˌlaɪt /
Save This Word!
noun
a mineral, basic iron aluminum silicate, Fe2Al2O7(SiO4)4(OH), occurring in brown to black prismatic crystals, which are often twinned in the form of a cross.
QUIZZES
QUIZ YOURSELF ON PARENTHESES AND BRACKETS APLENTY!
Set some time apart to test your bracket symbol knowledge, and see if you can keep your parentheses, squares, curlies, and angles all straight!
Question 1 of 7
Let’s start with some etymology: What are the origins of the typographical word “bracket”?
First appeared around 1750, and is related to the French word “braguette” for the name of codpiece armor.
First appeared in 1610, based on the French word “baguette” for the long loaf of bread.
First appeared in 1555, and is related to the French word “raquette” for a netted bat.
TAKE THE QUIZ TO FIND OUT Origin of staurolite
OTHER WORDS FROM staurolite
stau·ro·lit·ic [stawr-uh-lit-ik], /ˌstɔr əˈlɪt ɪk/, adjectiveWords nearby staurolite
staumrel, staun, staunch, Staunton, staurion, staurolite, stauropegion, stauroplegia, stauroscope, Stavanger, stave
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
Example sentences from the Web for staurolite
Kyanite and staurolite may also be mentioned as occasionally occurring.
British Dictionary definitions for staurolite
staurolite
/ (ˈstɔːrəˌlaɪt) /
noun
a brown glassy mineral consisting of iron aluminium silicate in the form of prismatic crystals: used as a gemstone. Formula: Fe 2 Al 9 Si 4 O 11 (OH) 2
Derived forms of staurolite
staurolitic (ˌstɔːrəˈlɪtɪk), adjectiveWord Origin for staurolite
C19: from Greek stauros a cross + -lite
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
Scientific definitions for staurolite
staurolite
[ stou′rə-līt′ ]
A brownish to black orthorhombic mineral, often having crossed intergrown crystals and found in mica schists and gneisses. Chemical formula: (FeMg)2Al9Si4O23(OH).
The American Heritage® Science Dictionary
Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.