碱 (jiǎn): (chemistry) base, alkali, soda

碱 (jiǎn) is a Chinese character meaning “(chemistry) base.” Outside the HSK 3.0 syllabus (CLEC 2022), it is composed of 石 (semantic) and 咸 (phonetic). It ranks #3041 in character frequency (SUBTLEX-CH corpus).

Etymologically derived, 碱 mineral. Its radical form 石 (stone) appears in many related characters such as 石 (shí, stone), 破 (pò, break), 研 (yán, to research, to grind).

Spoken pronunciation

Definitions

  1. (chemistry) base
  2. alkali
  3. soda

Etymology & Origin

碱

pictophoneticmineral

Decomposition: ⿰石咸 (layout: left-right)

Stroke Order

1
2
3
4
5
6
7
8
9
10
11
12
13
14

Practice writing 碱 with real-time feedback — trace each stroke in the correct order and build muscle memory in the HanziFeed app.

Words & Compounds

Common Compounds

WordPinyinMeaning
胆碱noundǎn jiǎncholine (amine related to vitamin B complex)
麻黄碱nounmá huáng jiǎnephedrine
生物碱shēng wù jiǎnalkaloid
碱性nounjiǎn xìng(chemistry) alkaline
盐碱yán jiǎnsaline and alkaline (earth)
盐碱地nounyán jiǎn dìsaline soil
茶碱nounchá jiǎnTheophylline
碱金属nounjiǎn jīn shǔalkali metal
碱度jiǎn dùalkalinity
烧碱nounshāo jiǎncaustic soda
纯碱nounchún jiǎnsodium carbonate
碱水面包jiǎn shuǐ miàn bāobread made with a lye solution
千碱基对qiān jiǎn jī duìkilobase pair (molecular biology)
碱性金属jiǎn xìng jīn shǔalkali metal
碱基配对jiǎn jī pèi duìbase pairing (e.g. adenine A 腺嘌呤 pairs with thymine T 胸腺嘧啶 in DNA)
56
Total compounds
36
As first character
41
As last character
23
As middle character

碱 appears in 56 compound words: 36 as the first character, 41 as the last, and 23 in a middle position. Compound statistics computed from SUBTLEX-CH and HSK 3.0 vocabulary data.

Idioms & Chengyu (1)

碱性电池jiǎn xìng diàn chí

alkaline battery

phrase

Example Sentences

中国新闻网·文化Sep 2026

采回的沙蒿籽用石臼捣碎,筛去杂质,按比例混入小麦粉,淋入碱水反复揉捏。

cǎi huí de shā hāo zǐ yòng shí 臼 dǎo suì , shāi qù zá zhì , àn bǐ lì hùn rù xiǎo mài fěn , lín rù jiǎn shuǐ fǎn fù róu niē .

The harvested sand wormwood seeds are crushed in a mortar, sifted to remove impurities, mixed with wheat flour in the proper proportions, and then lye water is drizzled over the mixture as it is kneaded repeatedly.

少数派Aug 2026

我赶紧喝了口茶水,用茶水的碱性中和了下内心的酸。

wǒ gǎn jǐn hē le kǒu chá shuǐ , yòng chá shuǐ de jiǎn xìng zhōng hé le xià nèi xīn de suān .

I quickly took a sip of tea, letting its alkalinity neutralize the bitterness in my heart.

中国新闻网·生活Aug 2026

马蜂(碱性毒液):使用食醋或柠檬汁。

mǎ fēng ( jiǎn xìng dú yè ) : shǐ yòng shí cù huò níng méng zhī .

Hornet (alkaline venom): Use vinegar or lemon juice.

少数派Aug 2026

天然可可粉颜色比碱化可可粉淡一些,香气也不如碱化可可粉浓。

tiān rán kě kě fěn yán sè bǐ jiǎn huà kě kě fěn dàn yī xiē , xiāng qì yě bù rú jiǎn huà kě kě fěn nóng .

Natural cocoa powder is slightly lighter in color than alkalized cocoa powder, and its aroma is not as intense as that of alkalized cocoa powder.

少数派Jul 2026

我们从高家堡古镇跟着高德地图绕了好几条一车身宽的不知名小路,左拐右拐才到的红碱淖。

wǒ men cóng gāo jiā bǎo gǔ zhèn gēn zhe gāo dé dì tú rào le hǎo jǐ tiáo yī chē shēn kuān de bù zhī míng xiǎo lù , zuǒ guǎi yòu guǎi cái dào de hóng jiǎn 淖 .

Starting from the ancient town of Gaojia堡, we followed Gaode Maps down several unnamed narrow roads—each just wide enough for our car—and after turning left and right several times, we finally arrived at Hongjiannao.

Character Family

Semantic Family — Characters sharing the 石 (mineral) component

Homophones — Characters pronounced jiǎn

Frequently Asked Questions

What does 碱 (jiǎn) mean in Chinese?
碱 (jiǎn) primarily means "(chemistry) base." It is not part of the HSK 3.0 syllabus. It ranks #3041 in character frequency.
What's the difference between 碱 and 喊?
碱 (jiǎn) and 喊 (hǎn) are often confused. confusable. The key distinguishing feature: 石 vs 口 (same 咸 component).
How many strokes does 碱 have?
碱 is written with 14 strokes. The correct stroke order matters for recognition and handwriting speed — practice with the animated guide above to build proper technique.
What is the radical of 碱?
The radical associated with 碱 is 石 (stone). This radical appears in many characters related to stone.
What are the components of 碱?
碱 is composed of: 石 (semantic), 咸 (phonetic). Its IDS decomposition is ⿰石咸 with a left-right layout. Understanding the components helps with both memorization and recognizing related characters.
What are common words containing 碱?
Common words with 碱 include: 胆碱 (dǎn jiǎn, "choline (amine related to vitamin B complex)"); 麻黄碱 (má huáng jiǎn, "ephedrine"); 生物碱 (shēng wù jiǎn, "alkaloid"); 碱性 (jiǎn xìng, "(chemistry) alkaline"); 盐碱 (yán jiǎn, "saline and alkaline (earth)"). There are over 56 compound words containing this character.
What characters sound the same as 碱 (jiǎn)?
Several characters share the pronunciation jiǎn: 减 (to lower). Context and tones help distinguish between them in speech and writing.
Is 碱 the same in simplified and traditional Chinese?
No. The simplified form is 碱 and the traditional form is 鹻.

Practice writing 碱 with real-time feedback

Trace stroke sequences, hear spoken pronunciation, and build lasting retention with spaced repetition in the HanziFeed app.

Character data sourced from Unihan (Unicode Consortium), SUBTLEX-CH frequency corpus (Cai & Brysbaert, 2010), and Make Me a Hanzi (stroke data). Collocation strength measured via NPMI (Normalized Pointwise Mutual Information). Verified by the HanziFeed linguistics team.

HSK classification follows the HSK 3.0 Standard (Center for Language Education and Cooperation, CLEC, 2022 revision). Idiom data from Wiktionary (CC BY-SA 3.0).

Data last verified: March 2026.