space-time Get Printable Handwriting Hear It! Say It! Write It! Learn It! Spelling Test Definition noun. a concept in physics that combines three dimensions of space and one of time. Example Sentence The concept of space-time is fundamental in the theory of relativity. Synonyms four-dimensional continuum; spacetime; time-space Antonyms space; time Hear It! Say It! Write It! space-time Switch to cursive Start Share with your friends:
