Related Clues:
- Minus: Abbr
- Ion descriptor: Abbr
- Less than zero: Abbr
- Bit of blood-typing shorthand
- Municipal mainstays: Abbr
- Bit of shutterbug slang
- Below zero (Abbr.)
- Terminal abbr
- Not pos. or neut
- Shortstop or second base (Abbr.)
- Like rarer blood types: Abbr
- Places to buy stamps: Abbr
- Battery terminal, briefly
- > 0: Abbr
- Like some battery terminals (Abbr.)