[ pə-sĭf′ər-ĭn ]
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Any of various bacterial products that, introduced in small amounts, protect an organism from an infection or disease without killing the infectious agent.
QUIZ YOURSELF ON "EVOKE" VS. "INVOKE"!
Call upon your favorite grammar inspirations to tackle this quiz on the differences and uses of "evoke" and "invoke."
Question 1 of 7
“Evoke” and “invoke” both derive from the same Latin root “vocāre.”
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The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.