| NOUN | artifact | chronoscope | an instrument for accurate measurements of small intervals of time |
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| Meaning | An instrument for accurate measurements of small intervals of time. | |
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| Narrower | time-delay measuring instrument, time-delay measuring system | chronoscope for measuring the time difference between two events |
| Broader | measuring instrument, measuring system, measuring device | instrument that shows the extent or amount or quantity or degree of something |