ninefold

IPA/ˈnaɪn.fəʊld/
KK[nˈɪnfˌold]IPA/ˈnaɪn.foʊld/

ninefold — adjective

  • ninefoldpositive
  • more ninefoldcomparative
  • most ninefoldsuperlative

1. If something is ninefold, its size, number, or level is nine times the earlier a

1.形容詞C1
釋義

If something is ninefold, its size, number, or level is nine times the earlier amount or reaches that ratio after a change.

例句

The clinic saw a ninefold rise in flu cases after the school festival.

collocation: ninefold rise in [something]

Online orders were ninefold higher during the holiday sale than in January.

predicative: be ninefold higher

同義詞
  • nine times

    More common in speech and works in a wider range of patterns

  • nonuple

    Much rarer and more technical than 'ninefold'

文法句型

a ninefold + noun (increase, rise, jump)

subject + be + ninefold

用法筆記

This sense is mainly used in formal or written English with nouns such as 'increase', 'rise', 'growth', or 'jump'. In everyday speech, many speakers prefer 'nine times' or 'nine times as many'.

常見錯誤

❌The price increased by ninefold.
✅The price increased ninefold.
💡'ninefold' already expresses the multiplier, so 'by' is unnecessary here.
❌There was a ninefolds increase in demand.
✅There was a ninefold increase in demand.
💡'ninefold' does not take a plural ending.

2. Something that is ninefold is arranged as one whole made from nine separate sect

2.形容詞C1
釋義

Something that is ninefold is arranged as one whole made from nine separate sections, elements, or members.

例句

The engineer built a ninefold frame with nine metal sections bolted together.

pattern: a ninefold + noun

The quilt had a ninefold layout, with eight squares around the center.

同義詞
  • nine-part

    More transparent in everyday English, especially before concrete nouns

  • multi-part

    Broader and does not specify the exact number of sections

反義詞
  • single

    Made of only one part or unit

文法句型

a ninefold + noun (system, model, frame, layout)

subject + be + ninefold

用法筆記

This sense describes structure rather than size. Unlike sense 1, it explains how something is divided or organized, not how much larger it becomes.

常見錯誤

❌The chart is nine folds.
✅The chart is ninefold.
💡'ninefold' stays one word when it describes a structure.
❌They used a ninefold parts system.
✅They used a ninefold system.
💡'ninefold' already includes the idea of multiple parts.

ninefold — adverb