| Answer | Crossword Clue |
|---|---|
| ASST | Kind of principal: Abbr. |
| dinoflagellate | a kind of marine protozoan, one of the principal constituents of plankton |
| dinoflagellates | DINOFLAGELLATE, a kind of marine protozoan, one of the principal constituents of plankton |
| CEN | Principal: Abbr. |
| SCH | Principal site? (abbr.) |
| SCH | Principal location?: Abbr. |
| INT | What's made on principal?: Abbr. |
