We found 4 dictionaries that define the word penetration aids:

General (3 matching dictionaries)

1. penetration aids: Wiktionary
2. Penetration aids: Wikipedia, the Free Encyclopedia
3. penetration aids: TheFreeDictionary.com

Tech (1 matching dictionary)

4. DOD Dictionary of Military Terms (No longer online)

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