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| the offspring of a zebra and a donkey. |
| a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes. |
| antigen (ān'tĭ-jən) Pronunciation Key
A substance that stimulates the production of an antibody when introduced into the body. Antigens include toxins, bacteria, viruses, and other foreign substances. Compare antibody. See Note at blood type. |