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electron hole

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electron hole

 
Use electron hole in a Sentence
–noun
hole (def. 14).
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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electron hole  
n.  See hole.
hole   (hōl)   
n.  

  1. A hollowed place in something solid; a cavity or pit: dug a hole in the ground with a shovel.

    1. An opening or perforation: a hole in the clouds; had a hole in the elbow of my sweater.

    2. Sports An opening in a defensive formation, such as the area of a baseball infield between two adjacent fielders.

    3. A fault or flaw: There are holes in your argument.

    4. The small pit lined with a cup into which a golf ball must be hit.

    5. One of the divisions of a golf course, from tee to cup.

  3. A deep place in a body of water.

  4. An animal's hollowed-out habitation, such as a burrow.

  5. An ugly, squalid, or depressing dwelling.

  6. A deep or isolated place of confinement; a dungeon.

  7. An awkward situation; a predicament.

  8. Sports

    1. The small pit lined with a cup into which a golf ball must be hit.

    2. One of the divisions of a golf course, from tee to cup.

  9. Physics A vacant position in a crystal left by the absence of an electron, especially a position in a semiconductor that acts as a carrier of positive electric charge. Also called electron hole.

v.   holed, hol·ing, holes

v.   tr.

  1. To put a hole in.

  2. To put or propel into a hole.

v.   intr.
To make a hole in something.
Phrasal Verbs:
hole out Sports
To hit a golf ball into the hole.
hole up

  1. To hibernate in or as if in a hole.

  2. Informal To take refuge in or as if in a hideout.

Phrasal Verb(s):
hole out Sports To hit a golf ball into the hole.
hole up

  1. To hibernate in or as if in a hole.

  2. Informal To take refuge in or as if in a hideout.


Idiom(s):
in the hole

  1. Having a score below zero.

  2. In debt.

  3. At a disadvantage.


[Middle English, from Old English hol; see kel-1 in Indo-European roots.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Science Dictionary
electron hole  
See hole.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia

electron hole

in solid-state physics, the name given to a missing electron in certain metals and semiconductors. A missing electron is the same as an added positive electric charge, and hence holes behave like positive charges, moving opposite to electrons under the effect of an electric field. Holes affect the electrical, optical, and thermal properties of the solid. Along with electrons, they play a critical role in modern digital technology when they are deliberately introduced into semiconductors.

Learn more about electron hole with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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