Related Clues:
- Potassium compound; IoW sandy bay
- Chemical in a shapeless mass not soft
- Bitter substance
- Sulphate; maul (anag.)
- Ingredient of red wines
- Obama vis-à-vis Columbia
- Many a school benefactor
- Stereotypical pennant waver, colloquially
- Homecoming guest (Abbr.)
- Team booster, often
- Target of some donation drives
- Something in wine bar turning brown outside
- Campus returnee, familiarly
- Compound used in dying and tanning
- Class reunion attendee, for short