Related Clues:

• Single word
• Half and half?
• Sometimes it's for the money
• Start of a long distance call
• Washington is on it
• It's heard before a liftoff
• See 34-Down
• Formula ___
• 'Blastoff!' preceder
• It's inseparable
• ''--- True Thing'' (1998)
• Better than none
• The loneliest number, in song
• Starting square
• Single thing