We found 8 dictionaries that define the word twelfth second:

General (7 matching dictionaries)

1. twelfth-second: Wordnik
2. Twelfth-second, twelfth-second: Dictionary.com
3. Twelfth-second: Online Plain Text English Dictionary
4. twelfth-second: Webster's Revised Unabridged, 1913 Edition
5. Twelfth-second: AllWords.com Multi-Lingual Dictionary
6. twelfth-second: FreeDictionary.org
7. Twelfth-second: TheFreeDictionary.com

Medicine (1 matching dictionary)

8. online medical dictionary (No longer online)

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