Clue: Source of shale oil

Answer: KEROGEN

Length: 7

---

Similar Clues:

• Office snack source (CANDYMACHINE with 12 letters)
• Source of cheap oils? (ARTSALE with 7 letters)
• Source for many US officers (ROTC with 4 letters)
• It may offer a variety of oils (ARTSALE with 7 letters)
• Rainn Wilson's role on "The Office" (DWIGHTSCHRUTE with 13 letters)
• IRS offices? (FILINGSTATIONS with 14 letters)
• Nut's offspring (OSIRIS with 6 letters)
• Google or Dropbox offering (FREESTORAGE with 11 letters)
• Discount movie offerings (MATINEES with 8 letters)
• Command to relax, as from an officer (ATEASE with 6 letters)