actinolite
[ ak-tin-l-ahyt, ak-tuh-nl- ]
/ ækˈtɪn lˌaɪt, ˈæk tə nl- /
noun Mineralogy.
a variety of amphibole, occurring in greenish bladed crystals or in masses.
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OTHER WORDS FROM actinolite
ac·tin·o·lit·ic [ak-tin-l-it-ik, ak-tuh-nl-], /ækˌtɪn lˈɪt ɪk, ˌæk tə nl-/, adjectiveWords nearby actinolite
actinodermatitis, actinodrome, actinogram, actinograph, actinoid, actinolite, actinology, Actinomadura, actinomere, actinometer, actinomorphic
Dictionary.com Unabridged
Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020
Example sentences from the Web for actinolite
Actinolite is a green silicate of lime, magnesia, and iron 322 especially common in certain metamorphic rocks.
Geology|William J. MillerByssolite, bis′o-līt, n. an olive-green variety of actinolite, in long crystals.
The actinolite slate is dark green, and formed by an almost insensible gradation from the mica slate.
In the Arctic Seas|Francis Leopold McClintockIt is entirely composed of a slaty rock, traversed by numerous veins of Actinolite.
A Guide to the Mount's Bay and the Land's End|John Ayrton Paris
British Dictionary definitions for actinolite
actinolite
/ (ækˈtɪnəˌlaɪt) /
noun
a green mineral of the amphibole group consisting of calcium magnesium iron silicate. Formula: Ca 2 (Mg,Fe) 5 Si 8 O 22 (OH) 2
Word Origin for actinolite
C19: from actino- (from the radiating crystals in some forms) + -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 actinolite
actinolite
[ ăk-tĭn′ə-līt′ ]
A greenish variety of amphibole. Actinolite is a monoclinic mineral, and occurs in long, slender, green needlelike crystals, or in fibrous, radiated forms in metamorphic rocks. Chemical formula: Ca2(Mg,Fe)5Si8O22OH2.
The American Heritage® Science Dictionary
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