Definition of sebaceous adjective from the Oxford Advanced Learner's Dictionary

 

sebaceous

 adjective
adjective
BrE BrE//sɪˈbeɪʃəs//
 
; NAmE NAmE//sɪˈbeɪʃəs//
 
[usually before noun](biology)
 
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producing a substance like oil in the body the sebaceous glands in the skin Word Origin early 18th cent.: from Latin sebaceus (from sebum ‘tallow’) + -ous.
See the Oxford Advanced American Dictionary entry: sebaceous