accelerator
English Thesaurus
1. a valve that regulates the supply of fuel to the engine (noun.artifact)
| hypernym | : | valve, |
| definition | : | control consisting of a mechanical device for controlling the flow of a fluid (noun.artifact) |
| part meronym | : | fuel system, |
| definition | : | equipment in a motor vehicle or aircraft that delivers fuel to the engine (noun.artifact) |
2. a scientific instrument that increases the kinetic energy of charged particles (noun.artifact)
| hyponym | : | betatron, induction accelerator, |
| definition | : | accelerates a continuous beam of electrons to high speeds by means of the electric field produced by changing magnetic flux (noun.artifact) |
| hyponym | : | charge-exchange accelerator, |
| definition | : | an accelerator in which high-energy ions escape from plasma following charge exchange (noun.artifact) |
| hyponym | : | collider, |
| definition | : | an accelerator in which two beams of particles are forced to collide head on (noun.artifact) |
| hyponym | : | cyclotron, |
| definition | : | an accelerator that imparts energies of several million electron-volts to rapidly moving particles (noun.artifact) |
| hyponym | : | linac, linear accelerator, |
| definition | : | ions are accelerated along a linear path by voltage differences on electrodes along the path (noun.artifact) |
| part holonym | : | storage ring, |
| definition | : | container consisting of a set of magnets set in a doughnut-shaped ring around which charged particles from an accelerator can be kept circulating until they are used (noun.artifact) |
3. a pedal that controls the throttle valve (noun.artifact)
| part meronym | : | aeroplane, airplane, plane, |
| definition | : | an aircraft that has a fixed wing and is powered by propellers or jets (noun.artifact) |
| part meronym | : | auto, automobile, car, machine, motorcar, |
| definition | : | a motor vehicle with four wheels; usually propelled by an internal combustion engine (noun.artifact) |
4. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected (noun.substance)
| hypernym | : | activator, |
| definition | : | (biology) any agency bringing about activation; a molecule that increases the activity of an enzyme or a protein that increases the production of a gene product in DNA transcription (noun.substance) |
| hyponym | : | biocatalyst, |
| definition | : | a biochemical catalyst such as an enzyme (noun.substance) |
| hyponym | : | enzyme, |
| definition | : | any of several complex proteins that are produced by cells and act as catalysts in specific biochemical reactions (noun.substance) |
| hyponym | : | platinum black, |
| definition | : | a fine black powder of platinum; used as a catalyst in chemical reactions (noun.substance) |
| domain category | : | chemical science, chemistry, |
| definition | : | the science of matter; the branch of the natural sciences dealing with the composition of substances and their properties and reactions (noun.cognition) |
5. a valve that regulates the supply of fuel to the engine (noun.artifact)
| derivation | : | choke, throttle, |
| definition | : | reduce the air supply (verb.change) |
6. a pedal that controls the throttle valve (noun.artifact)
| derivation | : | choke, throttle, |
| definition | : | reduce the air supply (verb.change) |
7. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected (noun.substance)
| antonym | : | anticatalyst, |
| definition | : | (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst (noun.substance) |
| derivation | : | catalyse, catalyze, |
| definition | : | change by catalysis or cause to catalyze (verb.change) |
8. a valve that regulates the supply of fuel to the engine (noun.artifact)
| derivation | : | choke, throttle, |
| definition | : | reduce the air supply (verb.change) |
9. a pedal that controls the throttle valve (noun.artifact)
| derivation | : | choke, throttle, |
| definition | : | reduce the air supply (verb.change) |
10. (chemistry) a substance that initiates or accelerates a chemical reaction without itself being affected (noun.substance)
| antonym | : | anticatalyst, |
| definition | : | (chemistry) a substance that retards a chemical reaction or diminishes the activity of a catalyst (noun.substance) |
| derivation | : | catalyse, catalyze, |
| definition | : | change by catalysis or cause to catalyze (verb.change) |
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