siderolite

sid·er·o·lite

[sid-er-uh-lahyt]

Origin:
1860–65; sidero-1 + -lite

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siderolite (ˈsaɪdərəˌlaɪt) [Click for IPA pronunciation guide]
 
n
a meteorite consisting of a mixture of iron, nickel, and such ferromagnesian minerals as olivine and pyroxene

Collins English Dictionary - Complete & Unabridged 10th Edition
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00:10
Siderolite is always a great word to know.
So is ninnyhammer. Does it mean:
a fool or simpleton; ninny.
a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question.
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