Clue: Flat or pig

Answer: IRON

Length: 4

---

Similar Clues:

• Complex, red organic pigment (HEME with 4 letters)
• Complex red organic pigment (HEME with 4 letters)
• Orange-yellow pigment (OCHER with 5 letters)
• Orange pigment (CAROTENE with 8 letters)
• Organic pigment (TONER with 5 letters)
• Organic pigments (TONERS with 6 letters)
• Flat-fixing org. (AAA with 3 letters)
• Flat, e.g. (e.g. ABODE with 5 letters)
• Flat units in a six-pack? (ABS with 3 letters)
• Caught flat-footed on a tennis serve, maybe (ACED with 4 letters)