Skip to content
Stroke order, etymology and audio for every word.Start learning
宙 — pronunciations, definitions, and tags
HanziPinyinEnglishTags
宙zhòuuniverseHSK 5, zg, 8 strokes, radical 宀, rank #40845, Hard
宙zhòuspace, time, space-timeHSK 5, zg, 8 strokes, radical 宀, rank #40845, Hard
宙zhòueternityHSK 5, unknown, 8 strokes, radical 宀, rank #40845, Hard, philosophy, geology, astronomy
宙zhòu(geology) eonHSK 5, unknown, 8 strokes, radical 宀, rank #40845, Hard
zhòu(zhou4)zhou T4
  1. 1universe
  2. 2space, time, space-time
Listen to the audio pronunciation 3 times to gain XP
March 24, 2026

宙zhòu(zhou4)

The character 宙 (zhòu) refers to the concepts of the universe, space, and time. It is often used in contexts related to astronomy and philosophy, encompassing ideas of eternity and the vastness of existence. In geology, it denotes long periods of time, such as an eon.

Strokes8Radical宀Frequency#40845DifficultyHard
Cultural note

The concept of 宙 connects deeply to Chinese cosmology, which views the universe as a harmonious whole, emphasizing balance between heaven and earth. It reflects the traditional Chinese understanding of the interconnectedness of all things in the universe.

Memory tip

Imagine a giant clock in the universe with stars and planets spinning around it, representing both time and space. The character 宙 has components that suggest a house (宀) over a vast expanse (由), symbolizing the dwelling place of the universe.

Meanings of 宙

zhòu(zhou4)
1universe
2space, time, space-time
Exercise 1 of 2

By ear

Play it, then pick what 宙 means.

About 宙

宙Simplified
8Strokes
宀Radical
状态词stative word (stat.)Part of Speech
#40845Frequency Rank
HSK 3.0L5

Podcast: 宙

JasonAmy

Podcast: 宙

Listen to Jason & Amy break down this word for you

AI study notes for 宙

Usage Notes

Common mistakes include confusing 宙 with similar characters related to time and space. It is generally used in formal contexts, particularly in literature or scientific discussions. Be mindful of using it correctly in phrases like '宇宙' (universe) where 宙 is part of the compound.

HSK Study Tips

Although 宙 is not included in the HSK vocabulary lists, it connects to higher-level concepts in HSK 5 and beyond. Students should focus on its usage in philosophical and scientific contexts to expand their understanding of abstract concepts.

Common Mistakes

Learners often confuse 宙 with the character 时间 (shíjiān), which means 'time' specifically. Remember that 宙 encompasses both time and space, whereas 时间 strictly refers to time.

AI-enhanced 2026-03-24

Pronunciation of 宙

Premium — Locked

Tone practice

Pro

Drill the tone of 宙, say it back, see your pitch against the model voice, and earn XP towards mastery. Interactive tone practice is part of Pro.

Tone drillsPitch drawing+5 XP
Get Pro to unlock

Jason Explains 宙 to you

Let me explain 宙 for you

Make it yours

Jason looks at what you watch and listen to, the checkpoints you have cleared, our lessons and what you have been exploring, and explains 宙 through them.

Sign in free to make it personal. New accounts start with 200 AI credits.

How well do you know 宙?

Example

Learning Lab

Knowing 宙 is seven skills, not one.

Its meaning, its character, its pinyin, its tone — hearing it, saying it, writing it. The Learning Lab measures each one from your own practice, on every word you study, so you see what you actually know rather than how much you have done.

  • MeaningFree
  • CharacterFree
  • PinyinFree
  • TonePro
  • ListeningPro
  • SpeakingPro
  • WritingPro
See the Learning Lab Three facets free · no card needed

Etymology of 宙

Formation typepictophonetic
六书 ClassificationPhono-semantic (形声字)~80-90% of characters
Explanation

Phonosemantic compound. 宀 represents the meaning and 由 represents the sound.

Memory hint

roof - the sky

Semantic (meaning)宀
+
Phonetic (sound)由
Learn more about Phono-semantic (形声字) characters
Exercise 1 of 1

Origin

宙 = 宀 + 由. What kind of character does that make it?

Decomposition of 宙

IDS Structure⿱宀由
宙Full character
=
宀gai4
top
由you2
bottom
Exercise 1 of 2

Parts

Which of these is part of 宙?

How to say universe in Chinese

“universe” in Chinese is宙zhòu

The character 宙 (zhòu) refers to the concepts of the universe, space, and time. It is often used in contexts related to astronomy and philosophy, encompassing ideas of eternity and the vastness of existence. In geology, it denotes long periods of time, such as an eon.

When to use 宙

Common mistakes include confusing 宙 with similar characters related to time and space. It is generally used in formal contexts, particularly in literature or scientific discussions. Be mindful of using it correctly in phrases like '宇宙' (universe) where 宙 is part of the compound.

What learners get wrong

Learners often confuse 宙 with the character 时间 (shíjiān), which means 'time' specifically. Remember that 宙 encompasses both time and space, whereas 时间 strictly refers to time.

Write 宙

宙

Practice writing 宙 stroke by stroke. Watch the animation to learn the stroke order, then try writing it yourself.

Write correctly 3 times to earn XP

Grammar patterns of 宙

宙 carries 4 distinct meanings. Below you'll find the patterns that show how it combines with other words, plus example sentences pulled directly from native usage.

Exercise 1 of 4

Fill the gap

Type the missing word. Pinyin works; then pick the character.

早期的天文学家认为我们的星球是宇____的中心。

Early astronomers thought that our planet was the centre of the universe.

Common confusions with 宙

宙vs周
zhōu

Similar pronunciation but different meanings.

Exercise 1 of 1

Which one

Which one means “universe”?

or

Example sentences for 宙 (10)

Listen to all sentences once to receive XP
1
早期的天文学家认为我们的星球是宇宙的中心。

zǎoqī de tiānwén xué jiā rènwéi wǒmen de xīngqiú shì yǔzhòu de zhōngxīn。

Early astronomers thought that our planet was the centre of the universe.
2
载人宇宙飞行的前景看上去充满了越来越多的变数。

zǎi rén yǔzhòu fēixíng de qiánjǐng kànshangqu chōngmǎn le yuèláiyuè duō de biàn shù。

The future for manned space flight is looking increasingly uncertain.
3
简洁之情:宇宙整体的一明一暗或一阴一阳.

jiǎnjié zhī qíng: yǔzhòu zhěngtǐ de yī míng yī àn huò yī yīn yī yáng.

Conciseness Theand dark and the Yin and Yang of the universe.
4
赫斯提亚是宙斯 、 波塞冬和哈迪斯的姐姐.

hè Sī tí yà shì zhòu Sī、 Bō sāi dōng hé Hā dí Sī de jiějie.

Hestia is the sister to Zeus, Poseidon, and Hades.
5
如果飞行速度超过每秒11公里,宇宙飞船将摆脱地球的引力。

rúguǒ fēixíng sùdù chāoguò měi miǎo11 gōnglǐ, yǔzhòu fēichuán jiāng bǎituō dìqiú de yǐnlì。

If a spacecraft travels faster than 11 km a second, it escapes the earth's gravitational pull.
6
这些纤维状星云物质以每秒大约5000公里的速度向宇宙空间扩展.

zhèxiē xiānwéi zhuàng xīng yún wùzhì yǐ měi miǎo dàyuē5000 gōnglǐ de sùdù xiàng yǔzhòu kōngjiān kuòzhǎn.

The filaments are expanding into space at a speed of roughly 5,000 kilometers per second.
7
一百万分之一秒之后,宇宙就膨胀到几十亿英里宽.

yībǎi wànfēn zhīyī miǎo zhīhòu, yǔzhòu jiù péngzhàng dào jǐ shí yì Yīng lǐ kuān.

Microseconds later the universe inflated to become billions of miles wide.
8
宙斯重新拾起地上的奥林匹斯之剑.

zhòu Sī chóngxīn shè qǐ dìshang de ào lín pǐ Sī zhī jiàn.

Zeus retrieves the Blade of Olympus from the ground.
9
守城将军和赵宙桃在会议开始后进入.

shǒu chéng jiāngjūn hé zhào zhòu táo zài huìyì kāishǐ hòu jìnrù.

A castellan and Jojoodo come in while a conference is in session.
10
每个神 —— 甚至宙斯自己 —— 都想要娶这位 “ 美丽的, 绝色的女神 ” 为妻.

měi gè shén —— shènzhì zhòu Sī zìjǐ —— dōu xiǎngyào qǔ zhè wèi “ měilì de, jué sè de nǚ shén ” wèi qī.

Every god -- even Zeus himself -- wanted this " beautiful, golden goddess " as his wife.

Ask Jason

Have a question about 宙?

Jason answers about this word at your level: example sentences, how it differs from similar words, and a way to remember it.

Sign in free to ask. New accounts start with 200 AI credits.

Word Family of 宙

Words containing this character12
宇宙yǔzhòuuniverse
宇宙飞船yǔzhòufēichuánspacecraft宇宙飛船
宙斯zhòusīZeus
宙zhòueternity
宇宙观yǔzhòuguānworld view宇宙觀
宇宙学yǔzhòuxuécosmology宇宙學
宇宙线yǔzhòuxiàncosmic ray宇宙線
宇宙射线yǔzhòushèxiàncosmic ray宇宙射線
太古宙tàigǔzhòuArchaean (geological eon before 2500m years ago)
元古宙yuángǔzhòupre-Cambrian (geological eon 2500-645m)
显生宙xiǎnshēngzhòuPhanerozoic, geological eon lasting since the Cambrian 寒武紀|寒武纪[Hán​wǔ​jì], c. 540m year ago顯生宙
隐生宙yǐnshēngzhòuCryptozoic隱生宙
Exercise 1 of 4

Words with 宙

What does 宇宙 mean?

Frequently asked questions about 宙

宇宙 (yǔzhòu) means 'universe' and is a compound word that combines both space (宇) and time (宙). 宙 by itself highlights the aspect of time and the vastness of existence.

Jason Recommends

Not sure what to learn after 宙?

Jason picks three words from your level and explains why each one is worth your time next. It takes a free account so he knows what you already know.

A sample week, replayed. Every page you study lands here in the order you did it — your own replay starts with a free account.

See the Learning Lab