Definitions

1. noun

a person who conducts measurements of the speed of light, typically referring to Albert Michelson, an American physicist who performed such experiments.

“The Michelson was a pioneer in his field of research.”

2. proper noun

Albert Michelson, an American physicist who won the Nobel Prize in Physics in 1907.

“The Nobel Prize in Physics was awarded to Albert Michelson in 1907 for his work.”