Dual : Duality
Dual can be used to connotate something being both at the same instant (i.e,. being twofold), such as in duality. The duality of a phenonomen is characterized by the fact that some properties can be explained best by one model and others by another model. (see wave-particle duality)
In some languages, in addition to the singular and plural there is also a dual, which is used when exactly two people or things are meant. The plural in these languages is used only for groups greater than two. This is known as the dual grammatical number.
The word dual is used in mathematics, as in dual space, dual polyhedron and dual numbers, for example.
Dual is a brand name for Hifi[?] equipment, mostly know for vinyl record players.
The breach was widened by their unconcealed flirtations--a
acquaintanceships on either side, but not inappropriate in all cases.
naturally inclined to nice men in preference to the nicest women; and
importance to somebody. Rumours of impending marriage were continually
confirmed in luxurious bachelorhood; she was aware of many
disinterested suitors at the price of her freedom. So the one-time
each other altogether; and meanwhile the years made them old without
for grey hair from a fashionable London hair-dresser. It was absolutely
indignantly informed him. Whereupon she saw his keen professional eye
beginnings that might as well be checked. At ho/home.html">home she studied the
aid her. The little Frenchwoman assured her that a microscope.html">microscope was
nut-brown. With a microscope, no doubt, as many as half a dozen.html">dozen might
country-house visits. It was a weepy autumn day, and she was not as
shopping, had tired her--and the disquieting suspicion laid hold of
reading her novel in the train, she counted her years, and
the Peerage, and who could therefore be proved to be as old as herself.
she reflected; and neither charge.html">charge could be laid at her door. Heigh-ho!
mansion that was their goal. A dozen other guests and their servants
luggage-brakes the yard behind; and Deb was at once in charge of a tall
dressing-bag, chattering French to one of her familiars in the rear.
she passed. It was all a matter of course to her these days.
She was too late for the big tea-party; the men had gone to the
affectionate interview with her titled hostess, Deb was soon at.
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