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toph (TOF? TUF? dunno) - n., a type of sandstone.
Given how few current dictionaries this appears in -- aside from Scrabble and Words With Friends dictionaries, I mean -- I suspect this of being obsolete geological jargon. Derived from Latin tophus or tōfus, meaning rock.
---L.
Given how few current dictionaries this appears in -- aside from Scrabble and Words With Friends dictionaries, I mean -- I suspect this of being obsolete geological jargon. Derived from Latin tophus or tōfus, meaning rock.
---L.
