We found 2 dictionaries that define the word open-class:

General (1 matching dictionary)

1. open-class: Wordnik

Tech (1 matching dictionary)

2. AUTOMOTIVE TERMS (No longer online)

Phrases: open-class word, more... ▸ Words similar to open-class ▸ Usage examples for open-class ▸ Idioms related to open-class ▸ Wikipedia articles (New!) ▸ Words that often appear near open-class ▸ Rhymes of open-class ▸ Invented words related to open-class