Kanji

炭

charcoal, coal

Kanji

Grade

Grade 3

Strokes

9 strokes

Radical

火部

On'yomi (Chinese Reading)

タン

Kun'yomi (Japanese Reading)

すみ

Common Readings

タン, すみ

Example sentences

すみ
キャンプ おこして 焼いた

We lit charcoal at the camp and grilled meat.

あせる あせる
彼女 火鉢 あせり ながら 深く ため息 ついた

She sighed deeply while stirring the charcoal in the brazier.

石炭 せきたん
石炭 主要 燃料 だった

In the past, coal was the main fuel.

採れる とれる
この 地域 では 良質 石炭 採れる

High-quality coal is mined in this region.

二酸化炭素 にさんかたんそ
地球温暖化 主な 原因 二酸化炭素 増加 です

The main cause of global warming is the increase in carbon dioxide.

地球温暖化 ちきゅうおんだんか
地球温暖化 抑制 する ため 二酸化炭素 排出 減らす 必要 ある

To suppress global warming, it is necessary to reduce carbon dioxide emissions.

炭鉱 たんこう
炭鉱 働いている

He works in a coal mine.

炭酸水 たんさんすい
お風呂上がり 冷たい 炭酸水 飲む 楽しみ

I look forward to drinking cold carbonated water after taking a bath.

気泡 きほう
炭酸水 から 気泡 立ち上っている

Bubbles are rising from the carbonated water.

Example Vocabulary

Sottaku

About Sottaku

Sottaku is an app for learning Chinese, Japanese, Korean, English, Spanish, French, German, and Italian with a strong focus on SRS. It includes automatic flashcard creation for hundreds of thousands of words, grammar breakdowns in example sentences, language-specific study packs where available, adaptive quizzes, mobile apps, a browser extension, and community features. Give it a try now! All learning content is free with no limits on flashcards or study time.

Sottaku is built to match the habits of successful learners. By using Sottaku, you will naturally learn in the most efficient way possible, as proven by countless success stories in the language learning community.

Free Forever

Access all grammar guides, quizzes, and flashcards without paying a cent. Quality education should be accessible to everyone.

Smart SRS System

Our flashcard system uses the FSRS algorithm (also used in Anki) to optimize your review schedule and maximize retention.

Comprehensive Content

From hanzi, kana, hangul, and European vocabulary basics to grammar and reading practice where available, we have lessons for every level. Practice with quizzes tailored to your skill.

Community Chat

Ask level-appropriate questions and get help from the community. Learn together with fellow learners across all 8 supported languages.