ectasis /ekˈtə-sis/

1. The lengthening of a short syllable
2. Abnormal stretching (medicine)

• sit up
• sit-up
• sit upon
• sit-upon
• sit-ups
• situs
• situtunga
• situtungas
• sit. vac.
• sitz-bath
• sitz-baths
• sitzkrieg
• sitzkriegs
• Sium
• SI units
• SIV
• Siva
• Sivaism
• Sivaistic
• Sivaite
• Sivan
• Sivapithecus
• Sivatherium
• siver
• sivers