We found 2 dictionaries that define the word refractory clays:

General (1 matching dictionary)

1. refractory clays: Merriam-Webster

Tech (1 matching dictionary)

2. Illustrated Glass Dictionary (No longer online)

▸ Words similar to refractory clays ▸ Usage examples for refractory clays ▸ Idioms related to refractory clays ▸ Wikipedia articles (New!) ▸ Words that often appear near refractory clays ▸ Rhymes of refractory clays ▸ Invented words related to refractory clays