- of or relating to science
- skilful or knowledgeable
WordReference Random House Unabridged Dictionary of American English © 2026
sci•en•tial
(sī en′shəl),USA pronunciation adj.
- having knowledge.
- of or pertaining to science or knowledge.
- Medieval Latin scientiālis, equivalent. to scienti(a) science + -ālis -al1
- late Middle English 1425–75
Collins Concise English Dictionary © HarperCollins Publishers::
sciential /saɪˈɛnʃəl/ adj