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Etymology: L, duplus
twice as much in strength, size, or amount.


(dŭb′l) [L. duplus, twofold]
Duplicate, or combining two qualities.


two of them.

double burst stimulation
a technique of nerve stimulation in which two short tetanic stimuli are applied and the response pattern used to monitor neuromuscular blockade during anesthesia.
double cervix
see double cervix.
double diffusion precipitin test
double fleece
2 years' growth of wool.
double gee
double muscling
see myofiber hyperplasia.
double pregnancy
double reciprocal plot
a graphical technique for analyzing drug antagonisms by plotting the effect against the dose. Called also Lineweaver-Burk plot.
double scalp
palpable thinning of the cranial bones in young sheep on inadequate diet.
double-stranded (ds)
nucleic acid occurring as a two-strand helix.

Patient discussion about double

Q. what is the cause for double vision

A. Double vision, or diplopia, as it's called, may be due to many conditions, including disorders of the muscles of the eye (extra-ocular muscles) and the nerves controlling them, disorders of the eye ball (enlarged eyeball as in Graves' ), and sometimes disorders of vision.

Diplopia may manifest important conditions, so consulting a doctor (e.g. neurologist or ophthalmologist) may be wise.

You may read more here:

Q. I have fibromyalgia and am having terrible vision problems...double, blurred, feel off blance.Is this common?

A. Blurry vision is not a usual symptom in fibromyalgia. If you are experiencing this on a permenant basis you should see a doctor- either a neurologist or an ophthalmologist to rule out other vision conditions that might be causing this.

More discussions about double
References in periodicals archive ?
These moves had their immediate origin in the sexually provocative dances and "batty-rider" costumes of Jamaican dance-hall and ragga culture, the woman either bent double or else upright, legs akimbo, doing the tootsie roll.
APRIL 2, 2011 EVERTON 2 VILLA 2 A DARREN Bent double helped Villa pick up an important point at Everton during their survival scrap of two seasons ago.
With the rod bent double, he held on as the skate pulled the 4.
Then things changed as Ian Walker's rod doubled over with a cod of 14lb; he had no sooner recovered from the exertions of that battle when again his rod bent double.
And the lilies in this engaging production, devised and performed by theatre company The Lions Part, certainly spend plenty of time in the open air - albeit either bent double turning potatoes, or up to their elbows in mud and manure.
Mall manager Siobhan McConnell said: "People were bent double with laughter.
Went to "Sega" Miners' strike war on Bent double like old beggars under sacks the poet said Like me grandpop at Dunkirk They who fought the noblest fight of all Saw last pit pony scrambling from a murky coaldust hall I war in tears Cos I didn't talk proper Like the Queen Mam, your in Christ's kingdom now When we meet I'll tell you true I do talk proper like the Queen .
He was bent double and acting strangely, fiddling with something at the bottom of his trousers, retching and spitting.
Amy Garton-Hughes, 15, from Wallasey, has a rare genetic disorder which leaves her bent double, and losing her sight, hearing and teeth.
BRIDGEND cue doctor Trevor White was pressed into emergency service yesterday when Welsh Open competitor Marcus Campbell arrived at Cardiff International Airport to find his cue case bent double on the baggage carousel.
While the majority of the audience were bent double as John sang of his disappointment at the demise of the cardboard strip in a Bounty bar (Mutiny Over the Bounty), and related tales of his Scottie dog, Kirsty, the couple in front of me sat impassive.
My introduction to fighting fitness was a three-minute burst flat-out on the rowing machine which left me coughing like a 60-a-day smoker and bent double searching for breath.