change-up change-of-pace change-of-pace ball off-speed pitch | a baseball thrown with little velocity when the batter is expecting a fastball |
speed speeding hurrying | changing location rapidly |
speed skating | competitive skating on speed skates (usually around an oval course) |
amphetamine pep pill upper speed | a central nervous system stimulant that increases energy and decreases appetite, used to treat narcolepsy and some forms of depression |
control controller | a mechanism that controls the operation of a machine, the speed controller on his turntable was not working properly, I turned the controls over to her |
disk controller | (computer science) a circuit or chip that translates commands into a form that can control a hard disk drive |
governor regulator | a control that maintains a steady speed in a machine (as by controlling the supply of fuel) |
regulator | any of various controls or devices for regulating or controlling fluid flow, pressure, temperature, etc. |
speed bump | a hindrance to speeding created by a crosswise ridge in the surface of a roadway |
speedometer speed indicator | a meter fixed to a vehicle that measures and displays its speed |
speed skate racing skate | an ice skate with a long blade, worn for racing |
voltage regulator | a transformer whose voltage ratio of transformation can be adjusted |
speed swiftness fastness | a rate (usually rapid) at which something happens, the project advanced with gratifying speed |
execution speed | (computer science) the speed with which a computational device can execute instructions, measured in MIPS |
cystic fibrosis transport regulator CFTR | the gene that is mutated in cystic fibrosis |
regulatory gene regulator gene | a gene that produces a repressor substance that inhibits an operator gene |
speed trap | a trap arranged on a roadway for catching speeders |
speed limit | regulation establishing the top speed permitted on a given road |
accountant comptroller controller | someone who maintains and audits business accounts |
motorcycle cop motorcycle policeman speed cop | a policeman who rides a motorcycle (and who checks the speeds of motorists) |
regulator | an official responsible for control and supervision of a particular activity or area of public interest |
restrainer controller | a person who directs and restrains |
speeder speed demon | a driver who exceeds the safe speed limit |
speed freak | addict who habitually uses stimulant drugs (especially amphetamines) |
speedskater speed skater | an ice-skater who races competitively, usually around an oval course |
focal ratio f number stop number speed | the ratio of the focal length to the diameter of a (camera) lens system |
phytohormone plant hormone growth regulator | (botany) a plant product that acts like a hormone |
high-speed steel hot-work steel | an alloy steel that remains hard at a red heat, used to make metalutting tools |
speed velocity | distance travelled per unit time |
speed of light light speed c | the speed at which light travels in a vacuum, the constancy and universality of the speed of light is recognized by defining it to be exactly ,, meters per second |
accelerate speed up speed quicken | move faster, The car accelerated |
accelerate speed speed up | cause to move faster, He accelerated the car |
speed skate | race on skates |
travel rapidly speed hurry zip | move very fast, The runner zipped past us at breakneck speed |
speed | travel at an excessive or illegal velocity, I got a ticket for speeding |
c rush hotfoot hasten hie speed race pelt along rush along cannonball along bucket along belt along step on it | move fast, He rushed down the hall to receive his guests, The cars raced down the street |
high-speed high-velocity | operating at high speed, a high-speed food processor, a high-velocity shell |