| NOUN | artifact | research rocket, test rocket, test instrument vehicle | a rocket fired for test purposes |
|---|
| Meaning | A rocket fired for test purposes. | |
|---|---|---|
| Synonyms | test rocket, test instrument vehicle | |
| Narrower | sounding rocket | A research rocket used to obtain information about the atmosphere at various altitudes |
| Broader | rocket, projectile | Any vehicle self-propelled by a rocket engine |
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