e. salisbury field

Science Dictionary
field  [%PREMIUM_LINK%]     (fēld)  Pronunciation Key 
  1. A distribution in a region of space of the strength and direction of a force, such as the electrostatic force near an electrically charged object, that would act on a body at any given point in that region. See also electric field, magnetic field.

  2. The region whose image is visible to the eye or accessible to an optical instrument.

  3. A set of elements having two operations, designated addition and multiplication, satisfying the conditions that multiplication is distributive over addition, that the set is a group under addition, and that the elements with the exception of the additive identity (0) form a group under multiplication. The set of all rational numbers is a field.

    1. In a database, a space for a single item of information contained in a record.

    2. An interface element in a graphical user interface that accepts the input of text.


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Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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