15-Letter Words Containing: R,N,I,X

• a performance given extempore without planning or preparation

• a crystalline amino acid obtained from gelatin or collagen

• To set in a new context.

• a yellow crystalline antibiotic (trademark Terramycin) obtained from a soil actinomycete; used to treat various bacterial and rickettsial infections

• attributing to outside causes

• embodying in an outward form

• To remove one or more carboxyl groups from a molecule

• embodying in an outward form

• greater than normal extension