sphingosine
noun
sphin·go·sine ˈsfiŋ-gə-ˌsēn 
plural sphingosines
: a long-chain unsaturated amino alcohol C18H37O2N that is found especially in cell membranes and is a primary constituent of sphingolipids
Word History
Etymology
Greek sphingos (genitive of sphinx) + English -ine entry 2; from riddles it posed to its first investigators
First Known Use
1881, in the meaning defined above
Medical Definition
sphingosine
noun
sphin·go·sine ˈsfiŋ-gə-ˌsēn -sən
-sən : an unsaturated amino diol C18H37NO2 obtained by hydrolysis of various sphingomyelins, cerebrosides, and gangliosides
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