Worn away while radiating or spreading outward; eroded in a branching pattern.
The past participle of 'corradiate,' combining elements of 'corrade' (to scrape/erode) with 'radiate' (to spread outward). This is an extremely rare or possibly obsolete term.
If this word ever had real currency in geology or science, it's faded now—it's a cautionary tale about how technical jargon either catches on and becomes indispensable or quietly disappears, leaving only traces in old texts like fossils in rock.
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