We found 2 dictionaries that define the word over-the-counter substance:

General (1 matching dictionary)

1. Over-the-counter substance: Wikipedia, the Free Encyclopedia

Medicine (1 matching dictionary)

2. Over-the-counter substance: Medical dictionary

▸ Words similar to over-the-counter substance ▸ Usage examples for over-the-counter substance ▸ Idioms related to over-the-counter substance ▸ Wikipedia articles (New!) ▸ Words that often appear near over-the-counter substance ▸ Rhymes of over-the-counter substance ▸ Invented words related to over-the-counter substance