We found 2 dictionaries that define the word downcrossing:

General (1 matching dictionary)

1. downcrossing: Wiktionary

Science (1 matching dictionary)

2. downcrossing: PlanetMath Encyclopedia

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