tetanus-diphtheria toxoids vaccine

n.
  1. One of the forms of the diphtheria, tetanus toxoids, and pertussis vaccine, containing tetanus and diphtheria toxoids and used to immunize against tetanus and diphtheria.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.