li·thi·a·sis 
(lĭ-thīə-sĭs)
(lĭ-thīə-sĭs)n. pl. li·thi·a·ses (-sēz′)
Pathological formation of mineral concretions in the body.
- strophulus
- stroppy
- stroud
- strove
- struck
- struck jury
- structural
- structural formula
- structural gene
- structuralism
- structural isomer
- structuralist
- structuralization
- structuralize
- structural linguistics
- structurally
- structural steel
- structure
- structured
- strudel
- struggle
- struggler
- strugglingly
- strum
- struma