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Related to doubling: Doubling time, doubling up

double

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

double

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

double

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:
www.nlm.nih.gov/medlineplus/ency/article/003029.htm

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 classic literature ?
Those were less expensive times than our own, and provincial life was comparatively modest; but the ease with which a medical man who had lately bought a practice, who thought that he was obliged to keep two horses, whose table was supplied without stint, and who paid an insurance on his life and a high rent for house and garden, might find his expenses doubling his receipts, can be conceived by any one who does not think these details beneath his consideration.
They held both ends of this passage, and then thought to close on me, but I slipped through their fingers by doubling up Bunting's Thumb into Picnic Street.
At length, however, a kind friend suggested to him a means of doubling his private property at one stroke; and further increasing it, hereafter, to an untold amount.
Rolling over and over upon the turf the two battled with demoniac fury, until the colossal cat, by doubling his hind paws far up beneath his belly sank his talons deep into Taglat's chest, then, ripping downward with all his strength, Numa accomplished his design, and the disemboweled anthropoid, with a last spasmodic struggle, relaxed in limp and bloody dissolution beneath his titanic adversary.
Then he raced quickly to the upper terrace, there doubling on his tracks and making his way rapidly back toward the village.
But Bashti was already doubling with laughter at sight of wild-dog running for his life down the street with Jerry a hundred feet behind and tearing up the dust.