sci Plural: scis Noun Abbreviation of science or sciences. Abbreviation of scientist, scientists. Scrabble Score: 0 sci: not valid in Scrabble (US) TWL Dictionary sci: not valid in Scrabble (MW) Merriam-Webster Dictionary sci: not valid in International Collins CSW Dictionary Words With Friends Score: 0 sci: not valid in Words With Friends Anagrams of sci