[ sĕm′əl-ĭn′sĭ-dənt ]
Occurring once only. Used of an infectious disease, one attack of which confers permanent immunity
- syrian desert,
- syrian hamster,
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.