contact

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contact

1. 
a. a junction of two or more electrical conductors
b. the part of the conductors that makes the junction
c. the part of an electrical device to which such connections are made
2. any person who has been exposed to a contagious disease
3. an informal name for contact lens
4. of or relating to irritation or inflammation of the skin caused by touching the causative agent

contact

See eclipse.

Contact

 

the geometric concept signifying that at a certain point, two curves (or a curve and a surface) have a common tangent line or two surfaces have a common tangent plane. The order of contact is a characteristic of the proximity of two curves (a curve and a surface, or two surfaces) in the neighborhood of their common point.

contact

[′kän‚takt]
(electricity)
(engineering)
Initial detection of an aircraft, ship, submarine, or other object on a radarscope or other detecting equipment.
(fluid mechanics)
The surface between two immiscible fluids contained in a reservoir.
(geology)
The surface between two different kinds of rocks.

contact

A part which is an electric conductor and which provides a low-resistance path for current flow upon mating with another conducting part with which it is designed to operate.

contact

i. An air traffic control term, which, when transmitted on the radio, means “Establish radio contact with … ”
ii. Visual contact by the pilot with another aircraft (friendly, hostile, or unidentified), or object, or target on the ground.
iii. To pick up the target on radar.
iv. A warning call by the pilot when starting a piston engine to the person swinging the propeller to indicate that the ignition system is about to be put on.
v. A mechanical hookup between a tanker and a receiver aircraft.
vi. The act of an aircraft touching down on a runway or another surface after being airborne, as in “the moment of contact.”
vii. Flying in weather and at an altitude from where ground features can be seen continuously, as in contact flying.

contact

A metal bar or strip in a plug or smart card that touches a corresponding metal object in a socket or reader in order to enable current to pass. Contacts may be made of precious metals to avoid corrosion. See pin and smart card.
References in periodicals archive ?
Public Health Wales officials said precautionary screening is underway for close contacts of the patient, who is believed to work in an office in Carmarthen town centre.
Dr Nic Coetzee, PHE consultant with the West Midlands Health Protection Team, said: "In line with national guidance, we have offered testing to people that were in close contact to the individuals while infectious.
This study, while conducted in animal models, tells us that close contact is required for transmission and that health care workers are at risk for transmission as they are in close contact with the individuals," said Kelvin.
The commission said two individuals who had been in close contact with other confirmed cases are being treated for fever, cough and sore throat symptoms but that laboratory tests have ruled out H7N9 infection.
She said: "Screening of close contacts in the college is under way in accordance with the Guidelines for the Control and Prevention of Tuberculosis in Ireland 2010.
A close contact on an aircraft was defined as a passenger sitting within 3 rows in front and 3 rows behind the index case-patient.
The risk of catching TB infection is small as it generally requires prolonged and close contact with someone who has TB.
We remain in very close contact with the Japanese government, working on these issues.
ISLAMABAD, September 25, 2009 (Balochistan Times): US Consulate on Friday again made it clear that there are no hitches and pros and cons in visa facility and travelling abroad of Pakistanis adding we are in close contact with the foreign Ministry in Pakistan thick and thin.
A report in a local newspaper said the probe was being conducted because the patient had not travelled or been in close contact with someone suffering from the H1N1 virus.
Antivirals are offered as treatment to people who are ill and to aid prevention to people who are well but have been in close contact with a case.
The new cases are: In London, an adult and a child who both had close contact with patients who had already been confirmed as infected with swine flu