Albert Michelson al·bert·mic·helson uncommon noun 1. United States physicist (born in Germany) who collaborated with Morley in the Michelson-Morley experiment (1852-1931) SynonymsMichelsonA. A. MichelsonAlbert MichelsonAlbert Abraham Michelson Related words Broader terms physicist WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.