| Answer | Crossword Clue |
|---|---|
| PHI | Letter seen twice in Philadelphia |
| ETC | Abbr. sometimes seen twice in a row |
| PSI | Letter that appears twice in the Schrodinger equation |
| RHO | Letter seen in a Christogram |
| THETA | Greek letter often seen in trigonometry |
| Answer | Crossword Clue |
|---|---|
| PHI | Letter seen twice in Philadelphia |
| ETC | Abbr. sometimes seen twice in a row |
| PSI | Letter that appears twice in the Schrodinger equation |
| RHO | Letter seen in a Christogram |
| THETA | Greek letter often seen in trigonometry |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.