# 亜

| 亜 | U+4E9C, &#20124; CJK UNIFIED IDEOGRAPH-4E9C |
| ← 些 [U+4E9B] | CJK Unified Ideographs | 亝 → [U+4E9D] |

## Translingual

| Traditional | 亞 |
| Shinjitai | 亜 |
| Simplified | 亚 |

### Han character

亜 (Kangxi radical 7, 二+5, 7 strokes, cangjie input 一中中一 (MLLM) or 難一中中一 (XMLLM), four-corner 1010$_7$, composition ⿱𫝁一 or ⿻工中)

#### Derived characters

* 唖, 悪, 𪰥, 𤉁, 𣊰, 𣱌, 𢳩, 𡏍, 𫰫, 𬂲, 𰤐

#### References

* Kangxi Dictionary: not present, would follow page 87, character 11
* Dai Kanwa Jiten: character 272
* Dae Jaweon: page 183, character 19
* Hanyu Da Zidian (first edition): volume 1, page 21, character 1
* Unihan data for U+4E9C

## Chinese
### Definitions

* For pronunciation and definitions of 亜 – see 亞 (“a house; second; inferior; etc.”). (This character is the former (1935–1936) ROC simplified, former (1969–1976) Singaporean simplified, and variant form of 亞).
* Notes:Simplified Chinese is mainly used in Mainland China, Malaysia, and Singapore.Traditional Chinese is mainly used in Hong Kong, Macau, and Taiwan.

### References

* Dictionary of Chinese Character Variants (教育部異體字字典), A00057-001

## Japanese
### Kanji

| Shinjitai | 亜 |
| Kyūjitai | 亞 |
(Jōyō kanji, shinjitai kanji, kyūjitai form 亞)
* rank
* follow
* sub- prefix
* Used in transliteration of place names.

#### Readings

(Can we verify this pronunciation?)
* Go-on: え (e)
* Kan-on: あ (a, Jōyō)
* Kun: つぐ (tsugu, 亜ぐ)
* Nanori: つぎ (tsugi)、みつる (mitsuru)

#### Compounds

See derived terms sections below.

### Etymology

* Kanji in this term
* 亜
* あ Grade: S
* kan'on
* Alternative spelling
* 亞 (kyūjitai)
From Middle Chinese 亞 (MC 'aeH).

### Pronunciation

* IPA: [a̠]

### Prefix

亜(あ) • (a-)
* (chemistry) indicates a lower oxidation number: -ous
    亜(あ)硫(りゅう)酸(さん) ― aryūsan ― sulfurous acid

#### Derived terms

* 亜(あ)砒(ひ)酸(さん) (ahisan, “arsenious acid”)
* 亜(あ)燐(りん)酸(さん) (arinsan, “phosphorous acid”)
* 亜(あ)硫(りゅう)酸(さん) (aryūsan, “sulfurous acid”)
* 亜(あ)硝(しょう)酸(さん) (ashōsan, “nitrous acid”)
* 亜(あ)酸(さん)化(か)窒(ちっ)素(そ) (asanka chisso, “nitrous oxide”)
* 次(じ)亜(あ) (jia, “hypo- -ous”)

### Affix

亜(あ) • (a)
* ranking next, coming after, sub-
    亜(あ)種(しゅ) ― ashu ― subspecies
    亜(あ)熱(ねっ)帯(たい) ― anettai ― subtropics
* Used as a phonetic element in transliterations, especially:
** Short for アジア／亜細亜 (Ajia, “Asia (a continent)”).
** (obsolete) Short for アメリカ／亜米利加 (Amerika): America, the United States
    replaced with 米 (bei) in modern times
* Alternative spelling of 堊 (a): white earth

#### Derived terms

* 亜(あ)鉛(えん) (aen, “zinc”)
* 亜(あ)鉛(えん)華(か) (aenka, “zinc oxide”)
* 亜(あ)音(おん)速(そく) (aonsoku, “subsonic speed”)
* 亜(あ)温(おん)帯(たい) (aontai, “subtemperate zone”)
* 亜(あ)科(か) (aka, “suborder, subfamily (taxonomy)”)
* 亜(あ)槐(かい) (akai, “Synonym of 大納言 (dainagon)”)
* 亜(あ)寒(かん)帯(たい) (akantai, “subarctic zone”)
* 亜(あ)急(きゅう)性(せい) (akyūsei, “subacute”)
* 亜(あ)群(ぐん) (agun, “subgroup”)
* 亜(あ)綱(こう) (akō, “subclass”)
* 亜(あ)高(こう)山(ざん)帯(たい) (akōzantai, “subalpine zone”)
* 亜(あ)種(しゅ) (ashu, “subspecies”)
* 亜(あ)相(しょう) (ashō, “Synonym of 大納言 (dainagon)”)
* 亜(あ)将(しょう) (ashō, “deputy of the imperial guard”)
* 亜(あ)字(じ)欄(らん) (ajiran, “railing in the shape of 亜”)
* 亜(あ)聖(せい) (asei, “sage of the second order”)
* 亜(あ)成(せい)層(そう)圏(けん) (aseisōken, “sub-stratosphere”)
* 亜(あ)属(ぞく) (azoku, “subgroup, subgenus”)
* 亜(あ)族(ぞく) (azoku, “subgroup”)
* 亜(あ)大(たい)陸(りく) (atairiku, “subcontinent”)
* 亜(あ)脱(だっ)臼(きゅう) (adakkyū, “subluxation”)
* 亜(あ)炭(たん) (atan, “brown coal, lignite”)
* 亜(あ)土(ど)壌(じょう) (adojō, “subsoil”)
* 亜(あ)父(ふ) (afu, “a second to one's father”)
* 亜(あ)熱(ねっ)帯(たい) (anettai, “subtropics”)
* 亜(あ)麻(ま) (ama, “flax”)
* 亜(ア)米(メ)利(リ)加(カ), 亜(ア)墨(メ)利(リ)加(カ) (Amerika, “America, United States”)
* 亜(あ)目(もく) (amoku, “suborder”)
* 亜(あ)門(もん) (amon, “subphylum”)
* 亜(ア)剌(ラ)比(ビ)亜(ア), 亜(ア)拉(ラ)毘(ビ)亜(ア) (Arabia, “Arabia”)
* 亜(あ)流(りゅう) (aryū, “epigone”)
* 亜爾加里(アルカリ), 亜児加里(アルカリ) (arukari, “alkali”)
* 亜爾(アル)然(ゼン)丁(チン) (Aruzenchin, “Argentina”)
* 亜(あ)鈴(れい) (arei, “dumbbell”)
* 欧(おう)亜(あ) (Ōa, “Eurasia”)
* 亜(あ)欧(おう) (Aō, “Eurasia”)
* 興(こう)亜(あ) (kō-A, “Asian development”)
* 東(とう)南(なん)亜(あ) (Tōnan'a, “Southeast Asia”)
* 東(とう)亜(あ) (Tōa, “East Asia”)
* 白(はく)亜(あ) (hakua, “chalk”)

### Proper noun

亜(あ) • (A)
* a female given name

## Korean
### Hanja

亜 (eumhun 버금 아 (beogeum a))
* Alternative form of 亞 (“hanja form of 아 (“second; sub-”)”)

### References

* Supreme Court of the Republic of Korea (대한민국 대법원, Daehanmin'guk Daebeobwon) (2018). Table of hanja for personal names (인명용 한자표 / 人名用漢字表, Inmyeong-yong hanja-pyo), page 27.

## Vietnamese
### Han character

亜: Hán Việt readings: á, a
* Variant of 亞, see there for more details.