## Definitions

• WordNet 3.6
• adj quadruple four times as great or many "a fourfold increase in the dosage"
• n quadruple a quantity that is four times as great as another
• n quadruple a set of four similar things considered as a unit
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Webster's Revised Unabridged Dictionary
• n Quadruple four times the sum or number; a fourfold amount; as, to receive to quadruple of the amount in damages.
• v. i Quadruple To be multiplied by four; to increase fourfold; to become four times as much.
• v. t Quadruple To multiply by four; to increase fourfold; to double; to double twice.
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Century Dictionary and Cyclopedia
• quadruple Fourfold; four times told.
• n quadruple A number, sum, etc., four times as great as that taken as the standard: as, to receive the quadruple of a given sum.
• quadruple To make four times as much or as many; multiply by four; repeat four times; make, do, or cause to happen four times over.
• quadruple To become four times as much or as many; repeat itself four times.
• quadruple Consisting of four parts; completed in four separate or successive operations.
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Chambers's Twentieth Century Dictionary
• n Quadruple four times the quantity or number
• v.t Quadruple to increase fourfold
• v.i Quadruple to become four times as many
• n Quadruple an instrument of this kind
• n Quadruple one of four corresponding things
• v.t Quadruple to make fourfold
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## Etymology

Webster's Revised Unabridged Dictionary

## Usage

### In literature:

A boat driven with four propellers is called a quadruple-screw boat.
"Boys' Book of Model Boats" by Raymond Francis Yates
With a forbearance we may all do well to imitate, they quadrupled their own activities.
"The History of Woman Suffrage, Volume VI" by Various
The stakes were doubled, quadrupled, and at last became extravagantly high.
"Tales from Blackwood, Volume 7" by Various
"An Ocean Tramp" by William McFee
The population was quadrupled; and four into one you can't.
"With the French in France and Salonika" by Richard Harding Davis
And at this remarkable falsehood the suspicions of the doctor were at once quadrupled.
"The Works of Robert Louis Stevenson - Swanston Edition Vol. 13 (of 25)" by Robert Louis Stevenson
Achmet more than quadrupled his investment, and no doubt thought slavery a divine institution.
"The Atlantic Monthly, Volume 15, No. 92, June, 1865" by Various
They are willing to wage the war against quadruple their number.
"A Rebel War Clerk's Diary at the Confederate States Capital" by John Beauchamp Jones
Had it been quadrupled, it would have been rejected with equal scorn.
After a fair display of noise and confusion the boys formed in quadruple line and marched up town.
"A Canadian Bankclerk" by J. P. Buschlen
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### In poetry:

He who is ridden by a conscience
Worries about a lot of nonscience;
He without benefit of scruples
His fun and income soon quadruples.
"Reflection On The Fallibility Of Nemesis" by Ogden Nash

### In news:

Conditions at Augusta, Bush Field, GA. Waynesboro taxpayers aren't too thrilled about the proposed quadruple whammy that would raise property taxes for the first time in 20 years, along with water, sewer and solid waste.
A first of its kind veteran support group in Hickory has quadrupled in size over the last few months.
Quadruple -amputee mom Katy Hayes to get double arm transplant.
Three of the victims in the quadruple homicide at 5859 Tom Hebert Rd.
News End-User News BP to Quadruple Brazil Sugarcane Capacity.
Four people were arrested at a south valley hotel in connection with a quadruple homicide in Los Angeles earlier this week, Las Vegas police said Tuesday.
Romney plans to quadruple size of Calif home.
Illinois' unpaid bills could quadruple .
The Band Perry's 'If I Die Young' Gets Quadruple Platinum Certification.
Quadruple Fatal Crash Northwest of Tulsa.
Tablet Sales to Nearly Quadruple by 2016: Report.
Argentina Okays Syngenta Quadruple Stack Corn.
In its annual Visual Networking Index, Cisco Systems said Internet traffic worldwide will quadruple by 2014, driven by the rapid growth in video traffic generated by both consumers and businesses.
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### In science:

Let us call the ob ject of our study a stopped random walk law, SRWL, deﬁned as a quadruple (K, o, V , z), where V is a ﬁnite set of vertices, K is a reversible transition kernel on V , o, z ∈ V are vertices at which the random walk will be started and stopped, respectively.
Fast graphs for the random walker
The quadruple (B, ∆, ǫ, φ0 ) can be called the random walk (we follow Ma jid in this terminology) on the pair of quantum planes.
Filtered random variables, bialgebras and convolutions
In the case of HD 98800 we have assumed that the average velocity of components A and B corresponds to the center of mass of the quadruple system.
Radial-Velocity Monitoring of Members and Candidate Members of the TW Hydrae Association
This is due to our handling of quadruple vector boson vertices.
AMEGIC++ 1.0, A Matrix Element Generator In C++
Now for a given quadruple, one can calculate the probability that it is also contained in B 4 .
Counting sets with small sumset, and the clique number of random Cayley graphs
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