Related Clues:
- Electric alternative
- Nitrogen, for one
- Bug juice?
- Tin or tungsten
- Word that can precede the last word of the four longest puzzle answers
- Bunsen burner fuel
- Something graded between E and F?
- Neon or nobelium, e.g.
- Rip-roaring good time
- Hydrogen, for one
- Chit-chat
- Pump output
- Word after mustard or natural
- See 39 Across
- Fill 'er up filler