乙

Second of the ten Heavenly Stems 十天干 Component (乙)

yǐ · 1 strokes

The second of the ten Heavenly Stems 十天干 component (乙) is a component found in Chinese characters. In Chinese, components serve different roles: semantic elements contribute meaning, phonetic elements suggest pronunciation, and structural elements provide the character's framework. It primarily serves as a phonetic element, contributing pronunciation patterns to the characters where it appears. Characters containing 乙 often share the pronunciation yi: 忆, 亿, 艺. It typically appears on the right side of a character. 6 characters: 2 in HSK 1, 2 in HSK 4, 1 in HSK 5, 1 in HSK 7-9. Components are identified through character decomposition analysis.

Radical vs. Component: 乙 is also a Kangxi radical (second). As a radical, it classifies characters in dictionaries. As a component, it appears as a building block contributing meaning, sound, or structure. For radical-specific details, see the Second of the ten Heavenly Stems 十天干 Radical (乙) page.

Second of the ten Heavenly Stems 十天干 Component at a Glance

Stroke Count1
Total Characters6
Primary RolePhonetic (pronunciation)
Typical Positionright side
Most Common HSK LevelHSK 1 (2 characters)
Avg. Character Strokes3
Also a Kangxi Radical?Yes — view radical page

All Second of the ten Heavenly Stems 十天干 Component Characters

HSK 1 (2 characters)

九jiǔnine几jīsmall table

HSK 4 (2 characters)

忆yìto recollect艺yìskill

HSK 5 (1 characters)

亿yì100 million

HSK 7-9 (1 characters)

乞qǐto beg

Frequently Asked Questions

What characters contain the second of the ten Heavenly Stems 十天干 component (乙)?
There are 6 characters containing the second of the ten Heavenly Stems 十天干 component (乙) in the HSK 3.0 character set (CLEC 2022 syllabus): 2 in HSK 1, 2 in HSK 4, 1 in HSK 5, 1 in HSK 7-9. The most frequently used include 几 (jī, "small table"), 九 (jiǔ, "nine"), 艺 (yì, "skill"), 亿 (yì, "100 million"), 忆 (yì, "to recollect"). Components are identified through character decomposition analysis.
Is 乙 a radical or a component?
乙 is both. As a Kangxi radical, 乙 (second) is part of the traditional system of 214 radicals used to classify Chinese characters in dictionaries. As a component, 乙 is a building block that contributes meaning, sound, or structure to compound characters. When a character "has the second of the ten Heavenly Stems 十天干 radical," it means 乙 is the character's primary classifier. When a character "contains the second of the ten Heavenly Stems 十天干 component," it means 乙 appears in the character's decomposition, regardless of whether it serves as the primary radical.
What sound does the second of the ten Heavenly Stems 十天干 component (乙) give to characters?
When 乙 serves as a phonetic element (in 3 of its 6 characters), it commonly contributes these pronunciation patterns: yi (忆, 亿, 艺). Phonetic components are one of the most powerful tools for reading unfamiliar characters — if you recognize 乙 in a new character, there is a good chance the pronunciation is related. Note that tones and initial consonants may vary across characters sharing the same phonetic component.
Where does 乙 appear in a character?
The second of the ten Heavenly Stems 十天干 component (乙) most commonly appears on the right side of a character. Full position breakdown: right side (3 characters), bottom (2 characters), overlay (1 characters). Knowing where a component typically sits helps with character recognition — when you see 乙 in its usual position, you can quickly identify it and infer the character's meaning or pronunciation.
What HSK levels include second of the ten Heavenly Stems 十天干 component characters?
Characters containing the second of the ten Heavenly Stems 十天干 component (乙) appear across 4 HSK levels: 2 in HSK 1, 2 in HSK 4, 1 in HSK 5, 1 in HSK 7-9. The largest concentration is at HSK 1 with 2 characters. Earlier HSK levels introduce the most common second of the ten Heavenly Stems 十天干-related characters, while advanced levels add specialized or literary terms.

Sources & Standards

Components are identified through structural decomposition analysis of characters in the HSK 3.0 Standard (《国际中文教育中文水平等级标准》), published by the Center for Language Education and Cooperation (CLEC), Ministry of Education of the People's Republic of China, 2022 revision. Radical classifications follow the Kangxi radical system (康熙部首).