a sled propelled along a long track by rocket engines, for testing the effects of high rates of acceleration and deceleration.
The Strangest Winter Olympic EventsRead more in this article about some frequently asked questions and fun facts related to our definitions.
Why Is It Called “Rock n’ Roll”?Is “Rocket ‘88” by Jackie Brenston and his Delta Cats the very first rock and roll record? The question has inspired debate among musicologists for years. Another equally contentious question: Where does the term rock and roll come from? Rock is derived from the Old English roccain, related to the Old Nordic rykkja meaning, “to pull, tear, move.” The earliest recorded use of the term in literature …
- rocket propulsion,
- rocket salad,
- rocket science,
- rocket scientist,
- rocket ship,
Origin of rocket sled
First recorded in 1950–55
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019