Noun | 1. | speed - distance travelled per unit time Synonyms: velocity |
2. | speed - a rate (usually rapid) at which something happens; "the project advanced with gratifying speed" | |
3. | speed - changing location rapidly | |
4. | speed - the ratio of the focal length to the diameter of a (camera) lens system | |
5. | speed - a central nervous system stimulant that increases energy and decreases appetite; used to treat narcolepsy and some forms of depression | |
Verb | 1. | speed - step on it; "He rushed down the hall to receive his guests"; "The cars raced down the street" Synonyms: belt along, bucket along, cannonball along, hie, hotfoot, pelt along, race, rush, rush along, hasten |
2. | speed - move faster; "The car accelerated" | |
3. | speed - travel at an excessive or illegal velocity; "I got a ticket for speeding" | |
4. | speed - move very fast; "The runner zipped past us at breakneck speed" | |
5. | speed - cause to move faster; "He accelerated the car" Synonyms: accelerate, speed up |
SPEED - Early system on LGP-30. Listed in CACM 2(5):16 (May 1959). |