amphibole
am·phi·bole
noun \ˈam(p)-fə-ˌbōl\Definition of AMPHIBOLE
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: any of a group of complex silicate minerals with like crystal structures that contain calcium, sodium, magnesium, aluminum, or iron ions or a combination of them
See Origin of AMPHIBOLE
French, from Late Latin amphibolus, from Greek amphibolos ambiguous, from amphiballein to throw round, doubt, from amphi- + ballein to throw — more at devil
First Known Use: circa 1823
am·phi·bole
noun \ˈam(p)-fə-ˌbōl\ (Medical Dictionary)Medical Definition of AMPHIBOLE
: any of a group of complex silicate minerals with like crystal structures that contain calcium, sodium, magnesium, aluminum, and iron ions or a combination of them—see crocidolite
amphibole
noun (Concise Encyclopedia)Any of a group of common rock-forming hydrous silicate minerals. Amphiboles occur in many igneous rocks as minor and major constituents and form the major component in many gneisses and schists. Some highly fibrous forms are collectively called asbestos.
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