different between twofold vs bifold

English

Alternative forms

• two-fold

Etymology

From Middle English twofold, from Old English tw?ofeald. Equivalent to two +? -fold; cognate to Icelandic tvöfalt and Dutch tweevoudig.

Adjective

twofold (not comparable)

1. Double; duplicate; multiplied by two.

   The wheat produced a twofold harvest.

2. Having two parts, especially two different parts.

   a twofold nature; a twofold sense; a twofold argument

   • 1874, Ernest Myers (transl.), The Extant Odes of Pindar, translated into English, Pythian Ode III, page 65.

     Had I but landed there and brought unto him a twofold joy, first golden health and next this my song of triumph to be a splendour in his Pythian crown […]

   • 2014, Robert K. Bolger, Scott Korb, "Gesturing Toward Reality: David Foster Wallace and Philosophy

     "Wallace's suggestion for overcoming the epistemological and solipsistic effects of innate selfishness is twofold."

Synonyms

• (double): double, duplicate; see also Thesaurus:twofold
• (having two parts): twin; see also Thesaurus:dual

Derived terms

• twofoldness

Translations

Adverb

twofold (not comparable)

1. In a double degree; doubly.

Synonyms

• double; see also Thesaurus:twice

Translations

References

• twofold in The Century Dictionary, New York, N.Y.: The Century Co., 1911.
• twofold in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.

English

Etymology

bi- +? -fold

Adjective

bifold (not comparable)

1. Twofold, double.
2. Of two kinds.
   • , Act V, Scene II, page 77:

     O madne??e of di?cour?e, / That cau?e ?ets vp with and again?t it ?elfe, / By-fould authority : where rea?on can reuolte / Without perdition, and lo??e a??ume all rea?on, / Without reuolt.

Noun

bifold (plural bifolds)

1. (carpentry) A door, window, shutter, or divider consisting of two equal panels hinged together so that it opens by folding the panels against each other.
2. A sheet of paper or cardboard folded in half along a crease down the center.
3. A wallet, billfold, or carrying case with a single fold, so that it opens like a book.
4. A crease or turn that causes something to double back on itself.