rack unit

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.

Ask AI about this wordChatGPTClaudePerplexityGoogle AIGrok

Meanings

nounrack unit (plural rack units)

plural rack units

  1. 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.
Cite this entry
APA

rack unit. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/rack%20unit

MLA

“rack unit.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rack%20unit. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “rack unit,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/rack%20unit.

Source: rack unit on Wiktionary, CC BY-SA 4.0.