We found 2 dictionaries that define the word upcrossing:

General (1 matching dictionary)

1. upcrossing: Wiktionary

Science (1 matching dictionary)

2. upcrossing: PlanetMath Encyclopedia

Definitions from Wiktionary (upcrossing) ▸ noun:  An upward crossing of a threshold. ▸ Words similar to upcrossing ▸ Usage examples for upcrossing ▸ Idioms related to upcrossing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing upcrossing ▸ Words that often appear near upcrossing ▸ Rhymes of upcrossing ▸ Invented words related to upcrossing