时效性 (shí xiào xìng) — time sensitivity, timeliness (the property of being relevant or valid only within a certain time frame)

Definition

A property of information, documents, or rules that limits their usefulness to a specific time window — after which they expire or lose value.

noun
time sensitivitytimeliness (the property of being relevant or valid only within a certain time frame)

Examples

  • 时效性，。
    Xīn wén de shí xiào xìng hěn qiáng, guò le yì zhōu jiù méi shén me jià zhí le.
    News has strong timeliness — after a week it has little value.
  • 时效性。
    Zhè ge fǎ lǜ wén jiàn de shí xiào xìng shì sān nián.
    The time validity of this legal document is three years.
  • 时效性。
    Shù jù fēn xī bì xū kǎo lǜ shù jù de shí xiào xìng.
    Data analysis must consider the timeliness of the data.

Origin

Derived word
构词法gòucífǎ
后缀hòuzhuìSuffix

A fixed syllable at the end that turns the word into a noun, a person, a place or the like.

时效time-limited effect
时shítime效xiàoeffect
偏正Modifier + head
性xìngproperty

时效 (time-limited effect) + 性 gives the property of being relevant only within a set time.

Characters in this word

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

This origin belongs to the traditional form 時; 时 is its simplified writing.

Meaning part形符xíngfú
日日rìsun; day
Sound part声符shēngfú
之
之zhī時shí
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 時 pairs 日 (sun/day) with 之 as the part that gives the sound; the simplified 时 is not the form described.

Open 时 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
攵Written in full as攴pūto strike; action
Sound part声符shēngfú
交
交jiāo效xiào
Close in sound todayThe sound part was a clue two thousand years ago — it often still helps, but not always.

效 pairs 攵 (written in full as 攴), meaning “to strike; action,” with 交, which gives the sound.

Open 效 →

Most characters — around four in five — are built this way: one part hints at the meaning, the other at the pronunciation.

Meaning part形符xíngfú
忄Written in full as心xīnheart
Sound part声符shēngfú
生
生shēng性xìng
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

性 is built from 忄 (the heart) and 生 (a sound clue). The heart part connects the word to a person's inner nature or quality.

Open 性 →

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