Hardest Spelling Words: Study Tools | Home of the List |
New Known Review |
aloisiite |
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n. a mineral consisting of hydrous subsilicate of calcium, ferrous iron, magnesium, and sodium |
New Known Review |
autochthonous |
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a. of rocks, deposits, etc.; found where they and their constituents were formed, originating where it is found |
New Known Review |
bellwether |
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n. sheep that leads the herd often wearing a bell, someone who assumes leadership of a movement or activity |