Noun

• Something that actuates something else, especially a usually electric device that causes a mechanical device (i.e. a mechanism) to be switched on or off, for example an electric motor that opens and closes a valve
• (computer hardware) The mechanism that moves the head assembly on a disk drive
• (electrical) A relay that controls the flow of electricity

Exemple

• The mind is the actuator of the body.

Noun

• (literally) One who, or that which, accumulates.
• (Britain) A wet-cell storage battery.
• (gambling) A collective bet on successive events, with both stake and winnings being carried forward to accumulate progressively.
• (mechanics) A system of elastic springs for relieving the strain upon a rope, as in deep-sea dredging.
• (manufacturing) A vessel containing pressurized hot water ready for release as steam.
• (engineering, hydraulics) A container which stores hydraulic power for release, in the form of a pressurized fluid (often suspended within a larger tank of fluid under pressure).
• (programming) A register or variable used for holding the intermediate results of a computation or data transfer.
• (finance) A derivative contract under which the seller commits to sell shares of an underlying security at a certain strike price, which the buyer is obligated to buy.
• (Britain, education, historical) One who takes two higher degrees simultaneously, to reduce their length of study.
• (cryptography) A one way membership function.

Related terms

• accumulate
• accumulation
• accumulative

Examples

• Synonym: collector
• He is a great accumulator of bad jokes.
• Looks like it’s time to recharge the accumulator again.
• Synonym: parlay
• The largest payout for a bet on a horse race was $1,627,084 after tax, paid to Britons Anthony Speelman and Nicholas Cowan on their $64 nine-horse accumulator at Santa Anita Racecourse, California, in 1987.
• Synonym: shock absorber
• The contents of the memory location and accumulator are NOT altered, but the Negative, Zero and Carry flags are conditioned according to the result of the subtraction.
• The function signature has changed to include the additional parameter accumulator. This parameter, in a way, takes on the job of the return value.
• Synonym: share forward accumulator
• This product was fairly popular among investors in Hong Kong in 2007 considering the market conditions at that time. It is an accumulator of the underlying stock with a contract period of 12 months.
• The first of these two was a compounder, the other who was an accumulator, was lately made provost of Trin. coll. near Dublin, and on the 31st of March 1692 was nominated bish. of Kilmore.