From en.wiktionary.org:
** English
[en]
*** Alternative forms
- four-fold
*** Etymology
From [en], [enm], from [en]. Equivalent to [en]. Cognate with [nl], [got].
*** Pronunciation
- [en]
- [en]
- [en]
*** Adjective
[-]
1. Four times as great ; quadruple .
2. Comprised of four individual members .
3. * [en]
**** Synonyms
- [en] , [en]
**** Derived terms
{{col|en|fourfoldness }}
**** Translations
[four times as great]
- Bulgarian: [bg]
- Czech: [cs]
- Dutch: [nl]
- Finnish: [fi]
- Galician: [gl] , [gl]
- Gothic: [got]
- Hindi: [hi] , [hi] , [hi]
- Hungarian: [hu] , [hu]
- Latin: [la] , [la]
- Pali: [pi]
- Plautdietsch: [pdt]
- Prakrit: [pra]
- Punjabi: [pa]
- Russian: [ru]
- Sanskrit: [sa]
- Tagalog: [tl]
- Telugu: [te]
- Urdu: [ur]
[trans-bottom]
[comprised of four individual members]
- Dutch: [nl] , [nl]
- Hungarian: [hu] , [hu] , [hu]
- Swedish: [sv]
[trans-bottom]
*** Adverb
[-]
1. By a factor of four.
2. * [2 Samuel]
**** Synonyms
- [en] ; see also Thesaurus:four times
**** Translations
[by a factor of four]
- Bulgarian: [bg] , [bg]
- Czech: [cs]
- Finnish: [fi]
- Hindi: [hi] , [hi] , [hi] , [hi]
- Hungarian: [hu] , [hu]
- Russian: [ru] , [ru]
[trans-bottom]
*** Verb
[en-verb]
1. To increase to four times as much; to multiply by four.
**** Synonyms
- [en] , [en]
**** Translations
[increase to four times as much]
- Catalan: [ca]
- Dutch: [nl]
- Finnish: [fi]
- French: [fr]
- German: [de] , [de]
- Hindi: [hi]
- Italian: [it]
- Portuguese: [pt]
- Russian: [ru] , [ru]
- Spanish: [es]
- Swedish: [sv] , [sv]
[trans-bottom]
*** Noun
[en-noun]
1. [en] An [algebraic variety] of [Degree of an algebraic variety] 4.
2. * {{ quote-journal | en | year=2015 | date= | author=Brent Pym | title=Elliptic singularities on log symplectic manifolds and Feigin--Odesskii Poisson brackets | journal=arXiv | url=http://arxiv.org/abs/1507.05668 | doi= | volume= | issue= | pages=
|passage=Our main application is to the classification of Poisson brackets on
Fano FOURFOLDS.}}
[en]