1. acceleration(n = noun.attribute) Array - an increase in rate of change; "modern science caused an acceleration of cultural change"
is a kind of alteration, change, modification
has particulars: getaway, pickup, precipitation
Antonym: deceleration
Derived form verb accelerate2
2. acceleration(n = noun.act) quickening, speedup - the act of accelerating; increasing the speed; Array
is a kind of hurrying, speed, speeding
Antonym: deceleration
Derived form verb accelerate2
3. acceleration(n = noun.time) Array - (physics) a rate of increase of velocity; Array
is a kind of rate
has particulars: angular acceleration, centripetal acceleration
Antonym: deceleration
The act of accelerating, or the state of being accelerated; increase of motion or action; as, a falling body moves toward the earth with an acceleration of velocity; -- opposed to
"A period of social improvement, or of intellectual advancement, contains within itself a principle of acceleration." [1913 Webster]
acceleration, n.
1 the process or act of accelerating or being accelerated.
2 an instance of this.
3 (of a vehicle etc.) the capacity to gain speed (the car has good acceleration).
4 Physics the rate of change of velocity measured in terms of a unit of time.
Etymology:
F acc{eacute}l{eacute}ration or L acceleratio (as ACCELERATE)
N haste, urgency, despatch, dispatch, acceleration, spurt, spirt, forced march, rush, dash, speed, velocity, precipitancy, precipitation, precipitousness, impetuosity, brusquerie, hurry, drive, scramble, bustle, fuss, fidget, flurry, flutter, splutter, hasty, hurried, brusque, scrambling, cursory, precipitate, headlong, furious, boisterous, impetuous, hotheaded, feverish, fussy, pushing, in haste, in a hurry, in hot haste, in all haste, breathless, pressed for time, hard pressed, urgent, with haste, with all haste, with breathless speed, in haste, apace, amain, all at once, at short notice, immediately, posthaste, by cable, by express, by telegraph, by forced marches, hastily, precipitately, helter-skelter, hurry-skurry, holus-bolus, slapdash, slap-bang, full-tilt, full drive, heels over head, head and shoulders, headlong, a corps perdu, by fits and starts, by spurts, hop skip and jump, sauve qui peut, every man for himself, devil take the hindmost, no time to be lost, no sooner said than done, a word and a blow, haste makes waste, maggiore fretta minore atto, ohne Hast aber ohne Rast stand not upon the order, swift, swift, you dragons of the night.
N velocity, speed, celerity, swiftness, rapidity, eagle speed, expedition, pernicity, acceleration, haste, spurt, rush, dash, race, steeple chase, smart rate, lively rate, swift rate, rattling rate, spanking rate, strapping rate, smart pace, lively pace, swift pace, rattling pace, spanking pace, strapping pace, round pace, flying, flight, lightning, greased lightning, light, electricity, wind, cannon ball, rocket, arrow, dart, hydrargyrum, quicksilver, telegraph, express train, torrent, eagle, antelope, courser, race horse, gazelle, greyhound, hare, doe, squirrel, camel bird, chickaree, chipmunk, hackee, ostrich, scorcher, Mercury, Ariel, Camilla, Harlequin, log, log line, speedometer, odometer, tachometer, strobe, radar speed detector, radar trap, air speed gauge, wind sock, wind speed meter, pedometer, fast, speedy, swift, rapid, quick, fleet, aliped, nimble, agile, expeditious, express, active, flying, galloping, light footed, nimble footed, winged, eagle winged, mercurial, electric, telegraphic, light-legged, light of heel, swift as an arrow, quick as lightning, quick as a thought, swiftly, with speed, apace, at a great rate, at full speed, at railway speed, full drive, full gallop, posthaste, in full sail, tantivy, trippingly, instantaneously, under press of sail, under press of canvas, under press of sail and steam, velis et remis, on eagle's wing, in double quick time, with rapid strides, with giant strides, a pas de geant, in seven league boots, whip and spur, ventre a terre, as fast as one's legs will carry one, as fast as one's heels will carry one, as fast as one can lay legs to the ground, at the top of one's speed, by leaps and bounds, with haste, vires acquirit eundo, I'll put a girdle about the earth in forty minutes, swifter than arrow from the Tartar's bow, go like a bat out of hell, tempus fugit.