We found 8 dictionaries that define the word length of service:

General (6 matching dictionaries)

1. length of service: Vocabulary.com
2. length of service: Dictionary.com
3. length of service: Rhymezone
4. length of service: FreeDictionary.org
5. length of service: Mnemonic Dictionary
6. length of service: TheFreeDictionary.com

Business (1 matching dictionary)

7. BusinessDictionary.com (No longer online)

Computing (1 matching dictionary)

8. length of service: Encyclopedia

Definitions from WordNet (length of service) ▸ noun:  duration of service Opposite: tenure, short-term, brief period ▸ Words similar to length of service ▸ Usage examples for length of service ▸ Idioms related to length of service ▸ Wikipedia articles (New!) ▸ Words that often appear near length of service ▸ Rhymes of length of service ▸ Invented words related to length of service