Rhabdolith

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Rhabdolith \Rhab"do*lith\, n. [Gr. "ra`bdos a rod + -lith.]
     A minute calcareous rodlike structure found both at the
     surface and the bottom of the ocean; -- supposed by some to
     be a calcareous alga.
     [1913 Webster]