accumulator
/ə'kju:mjuleitə/
Học thuậtThân thiện
Definition
- Noun:
- (Computer Science) A register that has a built-in adder that adds an input number to the contents of the register: In computing, an "accumulator" is a type of processor register used to hold intermediate results of arithmetic and logic operations.
- A voltaic battery that stores electric charge: In electrical engineering, an "accumulator" is a rechargeable battery or cell that stores electrical energy.
- A person who is employed to collect payments (as for rent or taxes): A person whose job is to gather money owed, such as rents, taxes, or other dues.
Usage Examples
Noun (Computer Science):
- The central processing unit uses an accumulator to store the sum of a series of numbers.
- In early computer architectures, the accumulator was a crucial register for most arithmetic operations.
Noun (Electrical Device):
- The car's starter motor is powered by a lead-acid accumulator.
- Solar panels charge a large accumulator to provide power at night.
Noun (Person):
- The landlord sent an accumulator to collect the overdue rent from the tenants.
- In the 19th century, an accumulator might travel from house to house to gather taxes.
Advanced Usage
"Hydraulic accumulator": In mechanical engineering, a device that stores energy in the form of pressurized fluid.
- The hydraulic system uses an accumulator to maintain pressure and smooth out pump pulses.
"Betting accumulator": In gambling, a single bet that links together multiple selections; winnings are carried forward.
- He won a large sum from a successful football accumulator bet.
Variants and Related Words
- Accumulate (verb): To gather or collect over time.
- Dust tends to accumulate on unused surfaces.
- Accumulation (noun): The process of accumulating; a mass or quantity that has gathered.
- The accumulation of wealth was his primary goal.
- Accumulative (adjective): Tending to or resulting in accumulation.
- The process was slow but accumulative.
Synonyms
- Battery (for the electrical device).
- Register (for the computing component).
- Collector or Receiver (for the person).
Related Phrases
- "Accumulator bet": (See "Betting accumulator" in Advanced Usage).
- "Steam accumulator": A vessel used to store steam at pressure for later use.
- The factory used a steam accumulator to manage fluctuating demand.
Related Idioms
(This word does not commonly feature in idiomatic expressions. Its usage is primarily technical or descriptive.)
Noun
- (computer science) a register that has a built-in adder that adds an input number to the contents of the register
- a voltaic battery that stores electric charge
- a person who is employed to collect payments (as for rent or taxes)