Clue: Part of the theory of relativity

Answer: MASS

Length: 4

---

Similar Clues:

• NBC offering on Saturday at 9:30 for part of the 1980s (AMEN with 4 letters)
• Part of Syria's official name (ARAB with 4 letters)
• Where Einstein published his special theory of relativity (BERN with 4 letters)
• City where Einstein developed his special theory of relativity (BERN with 4 letters)
• _____ office (part of county government) (DAS with 3 letters)
• Developer of the theory of relativity (EINSTEIN with 8 letters)
• Band with a "Part II" offshoot band (ELO with 3 letters)
• Part of an officer's uniform (e.g. EPAULET with 7 letters)
• Part of an office phone no. (EXT with 3 letters)
• Cereal that once offered a radiation-detecting ring as part of a box top promotion (KIX with 3 letters)