Related Clues:

• Density symbol, in mechanics
• Sorority chapter
• P on the Parthenon
• Christogram component
• 17th chapter
• 17th Greek letter
• Pi-sigma connection
• Pythagorean P
• Sweater letter
• Owing
• See 118-Down
• Plato's P
• Campus letter
• P, to Plato
• Sigma preceder