We found 7 dictionaries that define the word sleeping capsule:

General (6 matching dictionaries)

1. sleeping capsule: Vocabulary.com
2. sleeping capsule: Dictionary.com
3. sleeping capsule: Rhymezone
4. sleeping capsule: FreeDictionary.org
5. sleeping capsule: Mnemonic Dictionary
6. sleeping capsule: TheFreeDictionary.com

Computing (1 matching dictionary)

7. sleeping capsule: Encyclopedia

Definitions from WordNet (sleeping capsule) ▸ noun:  a soporific drug in the form of a pill (or tablet or capsule) ▸ Words similar to sleeping capsule ▸ Usage examples for sleeping capsule ▸ Idioms related to sleeping capsule ▸ Wikipedia articles (New!) ▸ Words that often appear near sleeping capsule ▸ Rhymes of sleeping capsule ▸ Invented words related to sleeping capsule