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rel·a·tiv·i·ty
 relativity
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- pronunciation:
- re
l
tI
vih
ti
- features:
- Word Combinations (noun)
| part of speech: |
noun |
| definition 1: |
the state or condition of being relative.
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| definition 2: |
in physics, a theory that time and space are relative, not absolute, and that all motion must be defined relative to a frame of reference.
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