keyhole


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keyhole

1. an aperture in a door or a lock case through which a key may be passed to engage the lock mechanism
2. a transient column of vapour or plasma formed during the welding or cutting of materials, using high energy beams, such as lasers

keyhole

[′kē‚hōl]
(design engineering)
A hole or a slot for receiving a key.
(metallurgy)
A welding method wherein the heat source, because of its concentration, causes a hole through the surface immediately ahead of the molten weld metal in the direction of welding; the hole is filled as the welding progresses, ensuring complete joint penetration.
(ordnance)
Of a bullet, to strike a target after tumbling in flight so that the long axis of the bullet and the line of flight are not the same; usually caused by failure of the bullet to receive sufficient spin from the rifling in the barrel.
References in periodicals archive ?
Keyhole Labs is the product and innovation arm of Keyhole Software.
Keyhole neurosurgery is a new minimally invasive microsurgery based on precise microneurosurgical techniques.
Mr Ablorsu explained: "To repair the hernia, when the keyhole technique is used, the defect or hole is covered with a mesh from within the abdomen and this prevents reoccurrence in the future.
Douglas MacQuarrie, President & CEO commented: These drill results are highly encouraging and reinforce our confidence in the potential for finding further gold mineralization at Keyhole.
To be truthful, once I'd read all the information, I didn't have any reservations about having keyhole surgery - the alternative was breaking my breastbone, which didn't really appeal to me," Kevin added.
Doctors from Sunrise hospital group are demonstrating their patented keyhole techniques in 25 different kinds of surgeries.
At top free surface inside the keyhole, the temperature dependent Marangoni shear stress on the free surface is given as
But none of the keyhole surgeons was willing to take up her case as the fibroid was too huge and the risk of complications loomed large.
Our beautiful keyhole garden and two of our proud gardeners, James and Molly
In southern California, the giant keyhole limpet (Megathura crenulata) is an important emerging fishery that has grown in commercial and scientific importance in the last twenty years.
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KEYHOLE CUTIES features the pinup art of Celeste Giuliano, who developed a style of photography that covers the classic look of pinups from girl illustrators from World War II.