閾 (yù) - Threshold — the strip of wood, metal, or & also refers to a limit, boundary, or threshold

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yù ｜ 16 strokes ｜ radical:

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閾 · yù

Threshold — the strip of wood, metal, or stone at the bottom of a doorway;

also refers to a limit, boundary, or threshold value in various contexts.

Threshold — the strip of wood, metal, oralso refers to a limit, boundary, or threshold

Usage highlights

Threshold valuePain thresholdAuditory thresholdCritical thresholdLower thresholdUpper threshold

Synonyms

Antonyms

  • 无限— Limitless, infinite
  • 中心— Center, core (opposite of boundary)

Usage & contexts

Examples

  • He stepped over the threshold (门槛) of the house.
  • The pain threshold (痛阈) varies from person to person.
  • This is the auditory threshold (听阈) for human hearing.
  • The system has a safety threshold (安全阈值).

Collocations

  • Threshold value(阈值)
  • Pain threshold(痛阈)
  • Auditory threshold(听阈)
  • Critical threshold(临界阈)
  • Lower threshold(下阈)
  • Upper threshold(上阈)

Idioms

  • Threshold of consciousness(意识阈)
  • Threshold of perception(知觉阈)
  • Threshold of pain(痛阈)

Cultural background

FAQ
  • In traditional Chinese architecture, the threshold (门槛) was both a physical barrier and a symbolic boundary between inside/outside, public/private.
  • High thresholds in important buildings symbolized status and were believed to block negative energy.
  • In modern usage, 阈 is primarily technical/scientific, referring to limits and boundaries in fields like physiology, psychology, and engineering.

FAQ