Skip to content

Study Dashboard Lists Dictionary

Resources

Vocabulary Lists
Grammar Guides

Tools

Chinese to Pinyin
Type Pinyin
Character Print Sheets
Immersive Reader
HSK Quiz
Find HSK Level

Pricing

Profile
Study
Dashboard
Lists
Dictionary
Resources
- Vocabulary Lists
- Grammar Guides
Tools
Pricing

Open full page

← Back to Dictionary

奥陶系

ào táo xì

Download audio

License Info

Audio is licensed under Creative Commons Attribution-ShareAlike 4.0 International License , building on the work of CC-CEDICT .

Open full page

Definitions

1. Ordovician system (geology)

Stop forgetting what you study.
Build recall daily.

Try HanyuGuide's Chinese review system with multiple choice, typed recall, tone-aware practice, and reviews scheduled before memory fades.

Start Free Trial $9.99 / year

Lifetime for $19.99 Try the 30-second demo

Child Words of 奥陶系

to connect

to tie

obscure

pottery

Built for serious Chinese learners on the principles of active recall and spaced repetition.

Contact Open Source

Platform

Learn
Vocabulary Lists
Dictionary
Grammar Guides
Tools
Blog

Programs

HSK Preparation
Schools & Institutions
Educators
Tutors

Legal

Terms of Use
Privacy Policy

© 2026 HanyuGuide. All rights reserved.

HanyuGuide is a product operated by Enigma Byte, LLC.

"学而不思则罔，思而不学则殆"

Study without reflection is pointless; reflection without study is dangerous.

Choose language