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 ?
Because of the positive test results among close contacts, MCHD expanded the investigation to identify 39 casual contacts.
PHE said positive results on testing of close contacts do not mean the person has TB disease or is infectious.
A second pharyngeal swab specimen was collected for testing for pandemic (H1N1) 2009 virus if any of the following symptoms developed in a close contact during quarantine: axillary temperature [greater than or equal to] 37.
In the east of England, an adult who recently visited the US, a child who recently visited Mexico, an adult who had close contact with a previously confirmed case, and an adult whose source of infection remains under investigation
Altogether, 172 children at the two schools have so far been offered screening as well as adults who have been in close contact with the affected teacher and her children.
Normal amyloidbeta that came in close contact with these seeds appeared to have become similarly misshapen, multiplying and spreading the problem proteins.
Klug's Luther seems to have dropped out of heaven to lead the Reformation rather than being a person of his times--one who inherited a rich Catholic piety, was at the front of humanist scholarship, and developed his ideas in close contact with other clergy, teachers, and reformers.
According to Szymczyk, "We always dreamed of developing a top quality, waterfront property to put people in close contact with the beautiful nature of the Atlantic Ocean.
While the Army and Marines are keeping in close contact with convoy commanders, I can then coordinate with the Joint STARS Air Force assets on the aircraft to direct air support either as a show of force or to take out the enemy," he said.
Of those eight, two reported close contact with a person who had diarrheal illness.
Dreier spokeswoman Jo Maney said the congressman spent much of Wednesday in close contact with Hastert and other leaders.