Find the word definition

Wiktionary
ceramidase

n. (context enzyme English) An enzyme that separates the two parts of ceramide.

Wikipedia
Ceramidase

Ceramidase (, acylsphingosine deacylase, glycosphingolipid ceramide deacylase) is an enzyme which cleaves fatty acids from ceramide, producing sphingosine (SPH) which in turn is phosphorylated by a sphingosine kinase to form sphingosine-1-phosphate (S1P).