interdental /in-tər-denˈtl/

1. Between the teeth
2. Relating to the surfaces of the teeth where they adjoin (dentistry)
3. Pronounced with the tip of the tongue between upper and lower teeth (phonetics)

interdentˈally adverb

• third eyelids
• third eyes
• third force
• third forces
• third gear
• third gears
• third gender
• third-gender
• third-generation
• third-hand
• thirding
• thirdings
• third intention healing
• Third International
• thirdly
• third man
• Third market
• third men
• third order
• third orders
• third parties
• third party
• third-party
• third person
• third-programme