13-Letter Words Containing: I,S,T,R,I,O

• convert to another faith or religion

• attempting to justify or defend in speech or writing

• providing justification

• To treat from the perspective of history or historicism

• the art of projecting your voice so that it seems to come from another source (as from a ventriloquist's dummy)

• an immunosuppressive drug (trade name Imuran) used to prevent rejection of a transplanted organ

• annihilation by vaporizing something

• the process of becoming a vapor

• the relation that exists when things occur at the same time