rack unit
Fetched 2026-10-26 (cache).
Related words from Datamuse; suggestions, not definitions.
Noun
- A [[unit of measure]] defined as 1 3⁄4 inches (44.45 mm), most frequently used as a measurement of the overall height of 19-inch and 23-inch rack frames, as well as the height of equipment that mounts in these frames.
Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.