threefold

English

**English numbers ^(edit)**
	30
← 2	3	4 →
Cardinal: three Ordinal: third Latinate ordinal: tertiary Adverbial: three times, thrice Multiplier: threefold Latinate multiplier: triple Distributive: triply Collective: trio, threesome Multiuse 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

threefold (not comparable)

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.
triple

three times as great

triple

threefold (not comparable)

by a factor of three

threefold (plural threefolds)

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

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