We found 3 dictionaries that define the word p-n junctions:

General (2 matching dictionaries)

1. p-n junctions, p-n junctions: Collins English Dictionary
2. p-n junctions: Wiktionary

Computing (1 matching dictionary)

3. P-n junctions: Encyclopedia

(Note: See p-n_junction as well.)

Definitions from WordNet (p-n junction) ▸ noun:  the junction between a p-type semiconductor and an n-type semiconductor ("A p-n junction has marked rectifying characteristics") ▸ Also see p-n_junction ▸ Words similar to p-n junctions ▸ Usage examples for p-n junctions ▸ Idioms related to p-n junctions ▸ Wikipedia articles (New!) ▸ Words that often appear near p-n junctions ▸ Rhymes of p-n junctions ▸ Invented words related to p-n junctions