contact


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Related to contact: contact dermatitis

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 ?
32ND INFANTRY REGIMENT--October 4-8, 2006, Nashville, Tennessee, Contact Robert W.
July 13-16, 2006, Buffalo, New York, Contact Pat Skelly, Phone (508) 524-3948, Email tristate@34infdiv.
NATIONAL REUNION--September 8-10, 2006, Council Bluffs, Iowa, Contact Jerry Gordon, Phone (515) 276-5677, Email jlg34d@msn.
The hospital treated a SARS patient in late March 2003, but specific contacts between that patient and patient A have not been identified.
Patient A had 74 close contacts, including 25 healthcare workers, 11 relatives, 36 patients who were hospitalized in the same ward, and 2 persons who were accompanying other patients on the same ward.
The secondary infection rate among their contacts was 50% (4/8).
After establishing community boundaries, which served as a necessary starting point to identify a "true" community, 60 LAPD officers worked voluntary overtime for 2 weeks to patrol the OCDS project area on foot, bicycle, and horseback to increase positive interpersonal contacts with residents.
In short, the police department took every opportunity it could to maximize informal, positive contacts with the citizens.
The results of this analysis shed light on the most effective types of police-citizen contacts on which to build a police/ citizen partnership in the inner city.
Lake Placid, New York, Contact Curtis Banker, Phone (518) 643-2302, Email dmbanker-curtis@northnet.
August 24-27, 2005, Columbus, Ohio, Contact Walton W.
8605TH AAU; 5TH ASA FS; DET 5, 2ND SIG SVC BN--May 19-22, 2005, Baltimore, Maryland, Contact George Akerhielm, Phone (315) 692-9460, Email gjaker@juno.