We found 2 dictionaries that define the word category 4:

General (1 matching dictionary)

1. category-4: Wordnik

Computing (1 matching dictionary)

2. I T Glossary (No longer online)

Phrases: Category 4 cable, more... ▸ Words similar to category 4 ▸ Usage examples for category 4 ▸ Idioms related to category 4 ▸ Wikipedia articles (New!) ▸ Words that often appear near category 4 ▸ Rhymes of category 4 ▸ Invented words related to category 4