We found one dictionary that defines the word unbleached threads:

Tech (1 matching dictionary)

1. Popular Cross Stitch Terms (No longer online)

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