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Semiconductor introduction

243,229 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

92%
  • 11:24 / 12:18

Speech Rate:

  • 195 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

periodic

/ˌpirēˈädik/

adjective

appearing or occurring at intervals.

represents

/ˌreprəˈzent/

verb

To depict art objects, figures, scenes; to portray.

outermost

/ˈoudərˌmōst/

adjective pronoun

furthest from centre. one that is furthest from centre.

crystal

/ˈkristl/

adjective noun

clear and transparent. piece of natural substance with symmetrically arranged plane faces.

circles

/ˈsərk(ə)l/

noun other verb

shape. Groups of people who share a common interest. To go all the way around something.

electrons

/əˈlekˌträn/

noun other

stable subatomic particle with charge of negative electricity. A negatively charged particle.

basically

/ˈbāsik(ə)lē/

adverb

Used before you explain something simply, clearly.

semiconductors

/ˈsemēkənˌdəktər/

noun other

solid substance that has conductivity between that of insulator and that of most metals. Silicon chips used in computers.

familiar

/fəˈmilyər/

adjective noun

well known. demon supposedly obeying witch.

viewers

/ˈvyo͞oər/

noun other

person who looks at or inspects something. People who watch, e.g. television.

another

/əˈnəT͟Hər/

adjective determiner pronoun

One more, but not this. One more added. One more (thing).

valence

/ˈvāləns/

noun

undefined.

silicon

/ˈsilikən/

noun

Mineral used in making steel and computer parts.

encourage

/inˈkərij/

verb

To make someone more determined or confident.

talking

/ˈtôkiNG/

adjective noun verb

engaging in speech. action of talking. To say things or ideas to someone with words.

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