(US, petroleum industry, slang, dated) A microfossil, particularly a foraminiferan.
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A microfossil, particularly a foraminiferan.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
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Browse all slang words starting with O.
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