Definition of junction in English:


Line breaks: junc|tion
Pronunciation: /ˈdʒʌŋ(k)ʃ(ə)n


  • 2 Electronics A region of transition in a semiconductor between a part where conduction is mainly by electrons and a part where it is mainly by holes.
    More example sentences
    • This quantum mechanical tunneling process is an important mechanism for thin barriers such as those in metal-semiconductor junctions on highly-doped semiconductors.
    • These junctions can be made atomically sharp and defect free, allowing for the production of high performance electronics integrated within each single nanostructure.
  • 3 [mass noun] The action or fact of joining or being joined: the vena cava is formed by the junction of three veins the junction of two roundels produces a triangular space


early 18th century (in sense 3): from Latin junctio(n-), from jungere 'to join'.

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