Answer | Crossword Clue |
---|---|
SILT | River bottom substance |
coral | a rocklike substance on the sea bottom |
corals | CORAL, a rocklike substance on the sea bottom |
tallowing | Smear (something, esp. the bottom of a boat) with such a substance |
bathybius | a substance on the sea bottom formerly thought to be living matter |
bathybiuses | BATHYBIUS, a substance on the sea bottom formerly thought to be living matter |