double-

prefix

In the metric system, multiplies the attached unit by two.

OriginOld French double →
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Meanings

prefix
  1. obsoleteIn the metric system, multiplies the attached unit by two.

Origin

  1. Old Frenchdouble
  2. Englishdouble-

From Old French double, more at double.

More words from Old French

Full word history & related roots →
Cite this entry
APA

double-. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/double-

MLA

“double-.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/double-. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “double-,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/double-.

Source: double- on Wiktionary, CC BY-SA 4.0.