# 烷

| 烷 | U+70F7, &#28919; CJK UNIFIED IDEOGRAPH-70F7 |
| ← 烶 [U+70F6] | CJK Unified Ideographs | 烸 → [U+70F8] |

## Translingual
### Han character

烷 (Kangxi radical 86, 火+7, 11 strokes, cangjie input 火十一山 (FJMU), four-corner 9381$_1$, composition ⿰火完)

#### References

* Kangxi Dictionary: page 671, character 19
* Dai Kanwa Jiten: character 19047
* Hanyu Da Zidian (first edition): volume 3, page 2206, character 1
* Unihan data for U+70F7

## Chinese

* 烷 (Written Standard Chinese)
* 烷 (Cantonese)

### Glyph origin

Phono-semantic compound (形聲 / 形声): semantic 火 (“fire”) + phonetic 完 (OC *ɦŋoːn, “full; complete”). 火 is a common radical used for names of hydrocarbons.

### Etymology 1
#### Pronunciation

* Mandarin
    (Pinyin): wán (wan$^2$)
    (Zhuyin): ㄨㄢˊ
* Cantonese (Jyutping): jyun$^4$
* Southern Min (Hokkien, POJ): oân
* Wu (Shanghai, Wugniu): $^6$woe
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: wán
*** Zhuyin: ㄨㄢˊ
*** Tongyong Pinyin: wán
*** Wade–Giles: wan$^2$
*** Yale: wán
*** Gwoyeu Romatzyh: wan
*** Palladius: вань (vanʹ)
*** Sinological IPA : /wän³⁵/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: jyun$^4$
*** Yale: yùhn
*** Cantonese Pinyin: jyn$^4$
*** Guangdong Romanization: yun$^4$
*** Sinological IPA : /jyːn²¹/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: oân
*** Tâi-lô: uân
*** Phofsit Daibuun: oaan
*** IPA (Xiamen): /uan²⁴/
*** IPA (Quanzhou): /uan²⁴/
*** IPA (Zhangzhou): /uan¹³/
*** IPA (Taipei): /uan²⁴/
*** IPA (Kaohsiung): /uan²³/
* Wu
** (Northern: Shanghai)
*** Wugniu: $^6$woe
*** MiniDict: woe$^去$
*** Wiktionary Romanisation (Shanghai): $^3$hhuoe
*** Sinological IPA (Shanghai): /ɦuø²³/

#### Definitions

烷
* (obsolete on its own in Standard Chinese) fire

### Etymology 2

From 完 (wán, “full; complete”), referring to the saturation of the carbons in alkanes. Compare 烯 (xī) and 炔 (quē).

#### Pronunciation

* Mandarin
    (Pinyin): wán (wan$^2$)
    (Zhuyin): ㄨㄢˊ
* Cantonese (Jyutping): jyun$^4$ / jyun$^{4-2}$
* Southern Min (Hokkien, POJ): oân
* Wu (Shanghai, Wugniu): $^6$woe
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: wán
*** Zhuyin: ㄨㄢˊ
*** Tongyong Pinyin: wán
*** Wade–Giles: wan$^2$
*** Yale: wán
*** Gwoyeu Romatzyh: wan
*** Palladius: вань (vanʹ)
*** Sinological IPA : /wän³⁵/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: jyun$^4$ / jyun$^{4-2}$
*** Yale: yùhn / yún
*** Cantonese Pinyin: jyn$^4$ / jyn$^{4-2}$
*** Guangdong Romanization: yun$^4$ / yun$^{4-2}$
*** Sinological IPA : /jyːn²¹/, /jyːn²¹⁻³⁵/
* Southern Min
** (Hokkien)
*** Pe̍h-ōe-jī: oân
*** Tâi-lô: uân
*** Phofsit Daibuun: oaan
*** IPA (Xiamen): /uan²⁴/
*** IPA (Quanzhou): /uan²⁴/
*** IPA (Zhangzhou): /uan¹³/
*** IPA (Taipei): /uan²⁴/
*** IPA (Kaohsiung): /uan²³/
* Wu
** (Northern: Shanghai)
*** Wugniu: $^6$woe
*** MiniDict: woe$^去$
*** Wiktionary Romanisation (Shanghai): $^3$hhuoe
*** Sinological IPA (Shanghai): /ɦuø²³/

#### Definitions

烷
* (organic chemistry) alkane, -ane

##### Usage notes

* Names of alkanes with 1 to 10 carbon atoms are formed using numbers of heavenly stems, as in 癸烷 (guǐwán). Names of alkanes with 11 or more carbon atoms are formed using ordinary numbers, as in 十一烷 (shíyī wán, “undecane”, literally “11-ane”).

#### Compounds

* 丁烷 (dīngwán)
* 三氯乙烷
* 三鹵甲烷 / 三卤甲烷
* 丙烷 (bǐngwán)
* 乙烷 (yǐwán)
* 壬烷 (rénwán)
* 己烷 (jǐwán)
* 庚烷 (gēngwán)
* 戊烷 (wùwán)
* 烷基 (wánjī)
* 烷烴 / 烷烃 (wántīng)
* 甲烷 (jiǎwán)
* 癸烷 (guǐwán)
* 硼烷 (péngwán)
* 螺烷
* 辛烷 (xīnwán)

### See also

* 烯 (xī, “alkene, -ene”)
* 炔 (quē, “alkyne, -yne”)

## Vietnamese
### Han character

烷: Hán Nôm readings: hoàn
* This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.