to·phus 
(tōfəs)
(tōfəs)n. pl. to·phi (-fī)
1. A deposit of urates in the skin and tissue around a joint or in the external ear, occurring in gout. Also called chalkstone.
2. A concretion of mineral salts and organic matter deposited on the surface of the teeth.
[Latin tōphus, tufa.]
- double dactyl
- double dagger
- double date
- double-date
- Doubleday
- double-dealer
- double-dealing
- double-decker
- double-digit
- double digits
- double-dip
- double dipper
- double-dip recession
- double displacement
- double-double
- double dribble
- double dutch
- double-edged
- double-entendre
- double entry
- double-faced
- double fault
- double-fault
- double feature
- double fertilization