15-Letter Words Containing: O,N,S,P,I,E,L

• a crystalline amino acid obtained from gelatin or collagen

• a drug (trade name Thorazine) derived from phenothiazine that has antipsychotic effects and is used as a sedative and tranquilizer

• A subordinating conjunction that can convert a clause into a complement clause, i.e. one that completes a grammatical construction in the predicate and that describes or is identified with the subject or object.

• a chemical process that combines several monomers to form a polymer or polymeric compound

• in an all-inclusive manner