| Main Entry: | space-time continuum |
| Part of Speech: | noun |
| Definition: | four-dimensional space |
Synonyms: |
continuum, fourth dimension, spatio-temporal continuum |
| Main Entry: | fourth dimension |
| Part of Speech: | noun |
| Definition: | time in relativity theory |
Synonyms: |
continuum, four-dimensional space, space-time, space-time continuum, time, time-space |