Enter a clue or pattern or both:
The Clue
One-celled alga (6 letter answer)
The Answer
DIATOM
Tags
Notes
The answer DIATOM is so rare that it appears less than once every 2500 puzzles.
Related Clues
Simple bit of plankton
Definition
DIATOM as a noun:
1. microscopic unicellular marine or freshwater colonial alga having cell walls impregnated with silica