noun ge·dank·en·ex·per·i·ment \gə-ˈdäŋ-kən-ik-ˌsper-ə-mənt also -ˌspir-\

Definition of gedankenexperiment

  1. :  an experiment carried out in thought only

Origin and Etymology of gedankenexperiment

German, from Gedanke thought + Experiment experiment

First Known Use: 1941

Seen and Heard

What made you want to look up gedankenexperiment? Please tell us where you read or heard it (including the quote, if possible).