threefold

English

English numbers ^(edit)

	30
←  2	3	4  →
Cardinal: three     Ordinal: third     Latinate ordinal: tertiary     Reverse order ordinal: third to last, third from last, last but two     Latinate reverse order ordinal: antepenultimate     Adverbial: three times, thrice     Multiplier: threefold     Latinate multiplier: triple     Distributive: triply     Group collective: trio, threesome     Multipart collective: triplet     Greek or Latinate collective: triad     Greek collective prefix: tri-     Latinate collective prefix: tri-     Fractional: third     Latinate fractional prefix: trient-     Elemental: triplet     Greek prefix: trito-     Number of musicians: trio, triplet     Number of years: triennium

Alternative forms

• three-fold, 3-fold

Etymology

From Middle English threfold, from Old English þrīfeald. Equivalent to three +‎ -fold.

Pronunciation

• Audio (US)

  (file)

Adjective

threefold (not comparable)

1. Three times as great.
   • 2020 May 20, Andrew Haines talks to Stefanie Foster, “Repurpose rail for the 2020s”, in Rail, page 33:

     "We recognise that electrifying more of the railway is likely to be necessary to deliver decarbonisation," it stated.
     There's clearly a growing momentum in that direction, but some significant hurdles have still to be overcome - not least the legacy of the three-fold increase in cost on the Great Western Electrification Programme, which has become the poster project for expensive wiring.

2. Triple. (clarification of this definition is needed)

Synonyms

• (three times as great): thrissome; see also Thesaurus:threefold
• (triple): ternary, trine; see also Thesaurus:triple

Derived terms

• thick and threefold
• threefold law

 

Translations

three times as great

• Bulgarian: трикратен (bg) (trikraten)
• Czech: trojnásobný (cs)
• Faroese: trífalt
• Finnish: kolminkertainen (fi)
• French: trois fois plus grand
• Georgian: სამმაგი (sammagi)
• Hebrew: מְשֻׁלָּשׁ (he) m (meshulásh)
• Hindi: तिगुना (hi) (tigunā), तिगना (hi) (tignā)
• Hungarian: háromszor annyi/akkora, háromszoros (hu)
• Irish: ^{(please verify)} trí-aonta
• Italian: triplo (it) m
• Maori: tōtoru
• Middle English: threfold
• Plautdietsch: dreefach
• Polish: trzykrotny (pl)
• Russian: троекра́тный (ru) m (trojekrátnyj)
• Telugu: మూడింతలు (te) (mūḍintalu)

triple — see also triple

• Bulgarian: троен (bg) (troen)
• Finnish: kolminkertainen (fi)
• French: triple (fr)
• Greek: τριπλός (el) (triplós)
• Hungarian: (having three component parts) háromrészes (hu), hármas (hu), háromrétű
• Irish: ^{(please verify)} trí-aonta
• Italian: triplo (it) m
• Latin: triplus, triplex
• Maori: tōtoru
• Middle English: threfold
• Plautdietsch: dreefach
• Polish: potrójny (pl), troisty (pl), trojaki (pl)
• Russian: тройно́й (ru) m (trojnój)
• Spanish: triple (es)
• Swedish: trefaldig (sv)

Adverb

threefold (not comparable)

1. By a factor of three.

Synonyms

• thrice, trebly; see also Thesaurus:thrice

Translations

by a factor of three

• Czech: trojnásobně
• Finnish: kolminkertaisesti
• French: triplement (fr)
• German: dreifach (de)
• Hungarian: háromszorosan, háromszorosára
• Italian: tripletta (it) f
• Maori: tōtoru
• Middle English: threfold
• Polish: trzykrotnie (pl)
• Russian: троекра́тно (ru) (trojekrátno), три́жды (ru) (tríždy)
• Spanish: por triplicado

Noun

threefold (plural threefolds)

1. (mathematics) An algebraic variety of dimension 3.
   • 2015, Xun Yu, “McKay correspondence and new Calabi-Yau threefolds”, in (Please provide the book title or journal name)‎^[1]:

     In this way, we find some new pairs $(h^{1,1},\;h^{2,1})$ of Hodge numbers of Calabi-Yau threefolds.

Verb

threefold (third-person singular simple present threefolds, present participle threefolding, simple past and past participle threefolded)

1. (transitive) To make threefold; to triple.

Translations

to make threefold; to triple — see triple