Related Clues:

• Metric lead-in
• Equal (Prefix)
• Pot, in slang
• It means ''internal''
• Prefix for "parasite" or "plasm"
• Bar or therm preceder
• Abbr. on a film box
• ''Inner'' starter
• Morph lead-in
• Prefix denoting inside
• Root canal, in dentist-speak
• Outer: Pref.
• Exo-'s opposite
• Prefix with tonic
• Abbr. in personal ads