Clue: Foot-pound-second unit of mass

Answer: SLUG

Length: 4

---

Similar Clues:

• Unit equivalent to 550 foot-pounds per second (HORSEPOWER with 10 letters)
• 43,560-square-foot unit (ACRE with 4 letters)
• ___-foot (irrigation unit) (ACRE with 4 letters)
• 43,560-square-foot units (ACRES with 5 letters)
• Unit of mass transit (BUS with 3 letters)
• Staff officers' unit (CADRE with 5 letters)
• Pound unit (e.g. CANTO with 5 letters)
• Ezra Pound unit (CANTO with 5 letters)
• Mass unit (e.g. CARAT with 5 letters)
• Mass per unit volume (DENSITY with 7 letters)