experimental breeder reactor
Also found in: Acronyms.
experimental breeder reactor[ik‚sper·ə′ment·əl ′brēd·ər rē‚ak·tər]
A fast, heterogeneous nuclear reactor used for research and breeding; its core consists of enriched 235U surrounded by a blanket of natural uranium.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.