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Ampère’s rule
ampersand
amphetamine
amphi-
amphiarthrosis
amphibian
amphibious
amphibious footwear
amphibole
amphibolite
amphibology
amphibrach
amphictyony
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amphibole
am·phi·bole [ ámfə bl ]


noun 
Definition:
 
silicate mineral: a hydrous silicate mineral containing varying amounts of aluminum, calcium, iron, magnesium, and sodium
[Early 19th century. < French< Greek amphibolos "ambiguous" < ballein "to throw"; because the mineral is able to appear in a variety of forms]

am·phi·bol·ic [ àmfə bóllik ] adjective
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