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 ?
These studies were conducted in outbreak settings, and attack rates were calculated on the basis of clinical diseases that included influenza-like illness (ILI) or acute respiratory illness (ARI) of close contacts rather than confirmed infection with pandemic (H1N1) 2009 virus.
"Close contacts are those who spend around three to four hours every day with someone with TB."
Avian Influenza is a disease of birds and while it can pass very rarely and with difficulty to humans, this requires close contact with infected birds, particularly faeces.
In central and western Africa, monkeypox appears naturally in some rodents and sometimes spreads to monkeys or people through bites or close contact with infected rodents.
(EDS: INCORPORATING STORY HEADLINED 'JAPAN, CHINA AGREE TO KEEP CLOSE CONTACT OVER N.
The Department of Trade and Industry was keeping in close contact with the company, he said during Prime Minister's Question Time.
Mr Wallace claims he will stay in close contact with Lord Maclean's commission on mental health law.
Helliwell and his partner Kim Smith have relocated in North Vancouver on the mainland, and their practice now tends to be rather more varied, though houses are still the main focus of activity; even though their clients are often richer than the ones on Hornby, they also want to live in close contact with nature.
The Government has been in close contact with Basslink and internet service providers to prepare for the likelihood of the fibre being cut during repair work to Basslink.
Epidemic control experts have not found any indication that the patients had close contact with birds, nor have they found any epidemiological connection between the two cases.
The Foreign Ministry was closely following developments in Libya and it is in close contact with our Missions in Tripoli, neighbouring countries and the region, she said in a statement regarding Pakistani expatriates in Libya.
Parents have been reassured that the risk of catching TB infection is small as it generally requires prolonged and very close contact with someone who has TB to pose a risk.