• WordNet 3.6
    • n whitener an agent that makes things white or colorless
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Webster's Revised Unabridged Dictionary
    • Whitener A chemical used as an adjunct to laundering white cloth, which makes white cloth appear whiter. A bluing agent.
    • Whitener One who, or that which, whitens; a bleaching agent; a bleach; a bleacher; a blancher; a whitewasher.
    • ***
Century Dictionary and Cyclopedia
    • n whitener One who or that which bleaches, or makes white; especially, some chemical or other agent used for bleaching or cleaning very perfectly.
    • ***


  • J. P. Senn
    J. P. Senn
    “Old age adds to the respect due to virtue, but it takes nothing from the contempt inspired by vice; it whitens only the hair.”


In literature:

Between them the sea leaps and whitens.
"Two Years in the French West Indies" by Lafcadio Hearn
Besides, it's whitened your hands and taken the rough work out of you.
"The Mill on the Floss" by George Eliot
Years do not affect his constitution, nor age whiten his hair.
"The Ghost-Seer (or The Apparitionist), and Sport of Destiny" by Friedrich Schiller
Indeed, the sails of his ships whiten the river for miles.
"The Story of Siegfried" by James Baldwin
Gradually the stars went out above the dim woods, and the dawn whitened along the eastern sky.
"The Battle Ground" by Ellen Glasgow
Who then remembered that son of the Velletri banker, whitened with the flour of his ancestors?
"The Companions of Jehu" by Alexandre Dumas, père
On the shelf at the far end, with the can of whitening what I use for marking out the wickets, sir.
"Mike" by P. G. Wodehouse
The snow was falling and whitening the coffin as they lowered it into the ground.
"The Newcomes" by William Makepeace Thackeray
It bent Pete's shoulders and Sylvie's slender neck, and whitened their lips.
"Snow-Blind" by Katharine Newlin Burt
Do you forget your own whitened hair?
"Three Dramas" by Björnstjerne M. Björnson

In poetry:

Lilac and green of the sky,
Brown of the broken earth,
Apple trees whitening high,
May and the Summer's birth.
"Sundown" by Thomas MacDonagh
Tomorrow, at dawn, at the hour when the countryside whitens,
I will set out. You see, I know that you wait for me.
I will go by the forest, I will go by the mountain.
I can no longer remain far from you.
"Tomorrow, At Dawn" by Victor Marie Hugo
PALE GODDESS of the witching hour;
Blest Contemplation's placid friend; Oft in my solitary bow'r,
I mark thy lucid beam
From thy crystal car descend,
Whitening the spangled heath, and limpid sapphire stream.
"Ode to the Moon" by Mary Darby Robinson
Stung by the world’s eternal guile,
Should the defiance of despair
Plant on my cheek its bitter smile,
And writhe so long and whiten there
That it might freshen ne’er again,—
Belov’ed, would you love me then?
"The Enquiry" by Charles Harpur
Last night I saw the sunset melt though my prison bars,
Last night across my damp earth-floor fell the pale gleam of stars;
In the coldness and the darkness all through the long night-time,
My grated casement whitened with autumn's early rime.
"Cassandra Southwick" by John Greenleaf Whittier
A few years moor, when awr griefs wor beginnin to lighten,
Mi friends began askin my wife,
if shoo felt hersen hearty an strong?
An aw nivver saw at her face wor beginnin to whiten,
Till shoo grew like a shadow, an aw could'nt even guess wrong.
"An Old Man's Christmas Morning" by John Hartley

In news:

According to the American Academy of Cosmetic Dentistry, whitening is still the most requested cosmetic dental service (more on that later), but advances in dentistry have made all kinds of smile improvements possible.
Is There A Downside To At-Home Teeth- Whitening Products.
DC has three of America's most- whitened Zip codes.
Kacey Whitener Weds In Cabo San Lucas Event.
A destination wedding in Cabo San Lucas, Mexico united in marriage Kacey Beth Whitener and Scott Anthony Flanery.
Dave was born to Percy W and Ethel (Richards) Whitener in Kamilche.
Use an instant whitening treatment like SexySmile in Boardroom Berry ($36), which includes both a stain remover and a gorgeous gloss.
What's the fuss about BB and whitening creams.
Kretek International Inc has introduced QuickWhite Teeth Whitening Spray from SprayWhite 90.
Have you entered to win a teeth whitening kit and supplies from Summit Dental.
Kptm.com NoHo Dental Group Now Offering a Fall Teeth Whitening Special.
Teeth whitening booth at Tulsa State Fair shut down after dental board complaints.
Doyle's Deals: Yoga, Spray Tans, Teeth- Whitening .
Boca dental boutique offers group teeth whitening parties for bridal parties.
A Rembrandt 2 Hour Whitening Kit— teeth whitening strips you apply on your chompers for 30 minutes a day, for four days.

In science:

Pi (c) that for a generic whitening we have that ω (i) = c.
Statistical mechanics of optimization problems
Note that for an oversampling factor M > 1 a whitening transformation would in principle be required prior to matched filtering; fo r the sake of simplicity, however, noise whitening is not performed here.
Power control and receiver design for energy efficiency in multipath CDMA channels with bandlimited waveforms
Chan, “Correction to ‘On the asymptotic performance of the decorrelator’ and ‘An optimal whitening approach to linear multiuser detection’,” IEEE Trans Inf.
Spectral efficiency and optimal medium access control of random access systems over large random spreading CDMA
This also holds for the connected-component clusters: Indeed, two solutions that differ in a single variable have the same whitening core since the whitening can be started from that specific variable .
Exhaustive enumeration unveils clustering and freezing in random 3-SAT
Second, it seems that all known heuristic algorithms need an exponential time to find solutions with a non-trivial (not all-∗) whitening cores, see e.g. [14, 21, 28].
Exhaustive enumeration unveils clustering and freezing in random 3-SAT