随机性 (suí jī xìng) — randomness; stochasticity

Definition

A technical/mathematical noun for 'randomness' — the quality of being unpredictable, used in statistics, ML, and science. Pairs with 随机, the adjective meaning 'random / stochastic' that modifies nouns directly.

noun
randomnessstochasticity

Examples

  • 随机性，。
    Zhè ge shí yàn de jié guǒ yǒu hěn qiáng de suí jī xìng, bù néng wán quán yù cè.
    The results of this experiment have strong randomness and cannot be fully predicted.
  • 随机性。
    Shēng huó zhōng de suí jī xìng ràng hěn duō shì qing biàn de bù kě yù liào.
    The randomness in life makes many things unpredictable.
  • 随机性。
    Jī qì xué xí suàn fǎ wǎng wǎng xū yào chǔ lǐ shù jù zhōng de suí jī xìng.
    Machine learning algorithms often need to deal with randomness in 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.

随机random
随suífollow机jīchance
动宾Verb + object
性xìngquality

“随机” means following chance, and “性” gives the quality of being that way; together they mean randomness.

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 隨; 随 is its simplified writing.

Meaning part形符xíngfú
辵辵chuòwalking
Sound part声符shēngfú
𡐦
𡐦𡐦隨suí
The sound has drifted apartThe sound part was a clue two thousand years ago — it often still helps, but not always.

The traditional form 隨 pairs 辵 (walking) with 𡐦 (the sound part); the simplified 随 is a later shorthand.

Open 随 →

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
木木mùtree; wood
Sound part声符shēngfú
几
几jǐ机jī
Same sound today

The left part is 木 (tree; wood), and the right part 几 gives the sound.

Open 机 →

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 →

Browse more HSK 7-9 words or search the full 43,000-word dictionary.