Library / English Dictionary |
ACCELERATION
Pronunciation (US): | (GB): |
I. (noun)
Sense 1
Meaning:
The act of accelerating; increasing the speed
Synonyms:
acceleration; quickening; speedup
Classified under:
Nouns denoting acts or actions
Hypernyms ("acceleration" is a kind of...):
hurrying; speed; speeding (changing location rapidly)
Antonym:
deceleration (the act of decelerating; decreasing the speed)
Derivation:
accelerate (cause to move faster)
Sense 2
Meaning:
Example:
modern science caused an acceleration of cultural change
Classified under:
Nouns denoting attributes of people and objects
Hypernyms ("acceleration" is a kind of...):
alteration; change; modification (an event that occurs when something passes from one state or phase to another)
Hyponyms (each of the following is a kind of "acceleration"):
getaway; pickup (the attribute of being capable of rapid acceleration)
precipitation (an unexpected acceleration or hastening)
Antonym:
deceleration (a decrease in rate of change)
Derivation:
accelerate (cause to move faster)
Sense 3
Meaning:
(physics) a rate of increase of velocity
Classified under:
Nouns denoting time and temporal relations
Hypernyms ("acceleration" is a kind of...):
rate (a magnitude or frequency relative to a time unit)
Domain category:
natural philosophy; physics (the science of matter and energy and their interactions)
Hyponyms (each of the following is a kind of "acceleration"):
angular acceleration ((physics) the rate of change of the angular velocity of a rotating body)
centripetal acceleration (the acceleration toward the center that holds a satellite in elliptical orbit)
Antonym:
deceleration ((physics) a rate of decrease in velocity)
Context examples:
Upon topical application, recombinant human epidermal growth factor (rhEGF) may stimulate epithelial proliferation, differentiation and migration, which may result in the acceleration of epithelial regeneration and wound healing.
(Nepidermin, NCI Thesaurus)
The force which, when applied in a vacuum to a body having a mass of one kilogram, causes an acceleration of one meter per second squared.
(Newton, NCI Thesaurus)
A unit of linear acceleration equivalent to 0.277778 meter per second squared which is a SI unit of acceleration.
(Kilometer per Hour per Second, NCI Thesaurus)
A deprecated unit of force defined as a force that produces an acceleration equal to the acceleration of gravity when acting on a mass of one kilogram.
(Kilogram-Force, NCI Thesaurus)
A unit of linear acceleration based on the U.S. Customary and British Imperial systems unit of length and equal to 2.54 centimeters per second per second.
(Inch per Second Squared, NCI Thesaurus)
The Indiana University Cancer Center's mission is to advance the understanding, prevention, and treatment of cancer with patient-centered care, acceleration of promising science, and collaborative educational programs.
(Indiana University Melvin and Bren Simon Cancer Center, NCI Thesaurus)
They said the overall volume and position of the water in the canal changes the acceleration needed to remove it.
(Shaking head to free water in ears could cause brain damage in kids, The Titi Tudorancea Bulletin)
This means that the acceleration itself might not have a constant value in the universe but changes over time.
(Measuring Growth of Universe Reveals a Mystery, The Titi Tudorancea Bulletin)
After two decades of relative stability, the magnitude of the glaciers' acceleration was unexpected.
(Wind, Warm Water Revved Up Melting Antarctic Glaciers, NASA)
That means the size of the acceleration area of the jets is likely related to the mass of the black hole.
(NuSTAR Probes Black Hole Jet Mystery, NASA)