Dictionary » D » Driver



1. One who, or that which, drives; the person or thing that urges or compels anything else to move onward.

2. The person who drives beasts or a carriage; a coachman; a charioteer, etc.; hence, also, one who controls the movements of a locomotive.

3. An overseer of a gang of slaves or gang of convicts at their work.

4. (Science: machinery) a part that transmits motion to another part by contact with it, or through an intermediate relatively movable part, as a gear which drives another, or a lever which moves another through a link, etc. Specifically:

The driving wheel of a locomotive.

An attachment to a lathe, spindle, or face plate to turn a carrier.

a crossbar on a grinding mill spindle to drive the upper stone.

5. The after sail in a ship or bark, being a fore-and-aft sail attached to a gaff; a spanker.

(Science: zoology) driver ant, a species of african stinging ant; one of the visiting ants (Anomma arcens); so called because they move about in vast armies, and drive away or devour all insects and other small animals.

Origin: From drive.

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Need an help about Drosophila genetics

... asks me this and I could not understand it. Can you please help me to figure it out? I asked him after crossing lines with UAS-UPRT and Gal-4 driver, how are we going to select the flies? He gave me this: Flies have 4 chromosomes: 2 and 3 are useful for genetics. For each chromosomes there ...

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by golgicik
Wed Oct 30, 2013 8:46 pm
Forum: Genetics
Topic: Need an help about Drosophila genetics
Replies: 5
Views: 2688

Flowers' selective pressure on plant-eating insects

... resistance in insects, rather than primarily a mechanism for improved sexual reproduction. In effect, this may have actually been the primary driver of the evolution of flowers. In the same way that the evolution of fruit is on the one hand a seed dispersal tool but on the other hand a potent ...

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by expuddle
Tue Jul 09, 2013 1:48 pm
Forum: Evolution
Topic: Flowers' selective pressure on plant-eating insects
Replies: 2
Views: 2721

Re: Sound and how the brain reacts to it

... ear. The answer may be active amplification. Previous experiments performed in vitro found that bundles oscillate spontaneously from an internal driver, and this motion could synchronize with a small external input. Yuttana Roongthumskul and colleagues from the University of California, Los Angeles, ...

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by GremlinGnome422
Mon Jul 01, 2013 7:25 pm
Forum: Human Biology
Topic: Sound and how the brain reacts to it
Replies: 89
Views: 145973

Driver double-stranded

I don't know what is driver double-stranded, help me please.

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by jkliwenping007
Sat Feb 11, 2012 10:43 pm
Forum: Molecular Biology
Topic: Driver double-stranded
Replies: 1
Views: 621

Re: Theories - Origin of Life

... I standby my statement. The whole interest in the study of epigenetics is precisely because the understanding that mutations of the genome are the driver for the theory is rapidly being eroded. Why else are distinguished scientists like Margulis, Koonan and many others distancing themselves from ...

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by scottie
Mon Jul 18, 2011 11:51 am
Forum: Evolution
Topic: Theories - Origin of Life
Replies: 562
Views: 929212
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