We found 3 dictionaries that define the word two-sidedness:

General (2 matching dictionaries)

1. two-sidedness: Dictionary.com
2. two-sidedness: Wiktionary

Tech (1 matching dictionary)

3. Paper Making (No longer online)

Definitions from Wiktionary (two-sidedness) ▸ noun:  The state or property of being two-sided. ▸ Words similar to two-sidedness ▸ Usage examples for two-sidedness ▸ Idioms related to two-sidedness ▸ Wikipedia articles (New!) ▸ Popular adjectives describing two-sidedness ▸ Words that often appear near two-sidedness ▸ Rhymes of two-sidedness ▸ Invented words related to two-sidedness