risus sardonicus
/ˌrʌɪsəs sɑːˈdɒnɪkəs/ /ˌriːsəs sɑːˈdɒnɪkəs/Medicine
noun
A fixed, grin-like expression resulting from spasm of facial muscles, especially in tetanus.
Origin
Early 17th century; earliest use found in Peter Heylyn (1599–1662), Church of England clergyman and historian. From post-classical Latin risus sardonicus from classical Latin rīsus laughter + post-classical Latin sardonicus.
- sentimentalization
- sentimentalize
- sentimentally
- sentimental value
- sentiment analysis
- sentinel
- sentry
- sentry box
- sentry-go
- Senufo
- Senussi
- senza replica
- SEO
- Seoul
- sep.
- sepal
- separability
- separable
- separableness
- separably
- separate
- separate but equal
- separately
- separateness
- separate (or sort out) the men from the boys