bifold

English

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bifold

Where it comes from

From bi- + -fold.

adjective

not comparable Twofold, double.
not comparable Of two kinds. O madneſſe of diſcourſe, / That cauſe ſets vp with and againſt it ſelfe, / By-fould authority : where reaſon can reuolte / Without perdition, and loſſe aſſume all reaſon, / Without reuolt.

noun bifolds

A door, window, shutter, or divider consisting of two equal panels hinged together so that it opens by folding the panels against each other. Wood-finished insulative shutters set as bifolds at the window.
A sheet of paper or cardboard folded in half along a crease down the center. AFSl is made up of thirteen bifolds, or fifty-two pages (each unfolded folio measuring 13.5 x 21 inches), beginning with the title page and continuing for fifty-one numbered pages.
A wallet, billfold, or carrying case with a single fold, so that it opens like a book. A 1996 survey showed that men under age 20 buy three times as many trifolds as bifolds. So a trifold wallet becomes a habit, even after it has expanded to the size and shape of a jumbo bar of soap.
A crease or turn that causes something to double back on itself. I want to learn how to play, and that's all puzzles and problems, and what do I care when I go to play a game about parallels and bifolds?

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MLA

"bifold." Wiktionary, via Micwyn, micwyn.com/word/bifold. Accessed 6 Nov. 2026.

APA

bifold. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/bifold

Chicago

"bifold." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/bifold.

BibTeX

@misc{bifold_2026,
  title = {bifold},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/bifold},
  urldate = {2026-11-06}
}