13-Letter Words Containing: RIL__

• To practice ventriloquism.

• To speak the words of (another person), as though by ventriloquism.

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

• one part in a quadrillion equal parts

• the ordinal number of one quadrillion in counting order

• a performer who projects the voice into a wooden dummy

• a four-sided polygon

• having four sides

• the act of making an organism barren or infertile (unable to reproduce)

• the procedure of making some object free of live bacteria or other microorganisms (usually by heat or chemical means)