# 光線
## Chinese
### Pronunciation

* Mandarin
    (Pinyin): guāngxiàn
    (Zhuyin): ㄍㄨㄤ ㄒㄧㄢˋ
* Cantonese (Jyutping): gwong$^1$ sin$^3$
* Hakka (Sixian, PFS): kông-sien
* Southern Min
    (Hokkien, POJ): kng-sòaⁿ / kuiⁿ-sòaⁿ / kong-sòaⁿ
    (Teochew, Peng'im): guang$^1$ suan$^3$
* Wu (Shanghai, Wugniu): $^1$kuaon-shi
* Mandarin
** (Standard Chinese)
*** Hanyu Pinyin: guāngxiàn
*** Zhuyin: ㄍㄨㄤ ㄒㄧㄢˋ
*** Tongyong Pinyin: guangsiàn
*** Wade–Giles: kuang$^1$-hsien$^4$
*** Yale: gwāng-syàn
*** Gwoyeu Romatzyh: guangshiann
*** Palladius: гуансянь (guansjanʹ)
*** Sinological IPA : /ku̯ɑŋ⁵⁵ ɕi̯ɛn⁵¹/
* Cantonese
** (Standard Cantonese, Guangzhou–Hong Kong)
*** Jyutping: gwong$^1$ sin$^3$
*** Yale: gwōng sin
*** Cantonese Pinyin: gwong$^1$ sin$^3$
*** Guangdong Romanization: guong$^1$ xin$^3$
*** Sinological IPA : /kʷɔːŋ⁵⁵ siːn³³/
* Hakka
** (Sixian, incl. Miaoli and Neipu)
*** Pha̍k-fa-sṳ: kông-sien
*** Hakka Romanization System: gong$^ˊ$ xien
*** Hagfa Pinyim: gong$^1$ xian$^4$
*** Sinological IPA: /koŋ²⁴⁻¹¹ si̯en⁵⁵/
* Southern Min
** (Hokkien: Xiamen, Quanzhou, General Taiwanese, Singapore)
*** Pe̍h-ōe-jī: kng-sòaⁿ
*** Tâi-lô: kng-suànn
*** Phofsit Daibuun: kngsvoax
*** IPA (Kaohsiung): /kŋ̍⁴⁴⁻³³ suã²¹/
*** IPA (Taipei): /kŋ̍⁴⁴⁻³³ suã¹¹/
*** IPA (Quanzhou): /kŋ̍³³ suã⁴¹/
*** IPA (Xiamen, Singapore): /kŋ̍⁴⁴⁻²² suã²¹/
** (Hokkien: Zhangzhou, Yilan)
*** Pe̍h-ōe-jī: kuiⁿ-sòaⁿ
*** Tâi-lô: kuinn-suànn
*** Phofsit Daibuun: kvuisvoax
*** IPA (Yilan): /kuĩ⁴⁴⁻³³ suã²¹/
*** IPA (Zhangzhou): /kuĩ⁴⁴⁻²² suã²¹/
** (Hokkien: variant in Taiwan)
*** Pe̍h-ōe-jī: kong-sòaⁿ
*** Tâi-lô: kong-suànn
*** Phofsit Daibuun: kongsvoax
*** IPA (Kaohsiung): /kɔŋ⁴⁴⁻³³ suã²¹/
*** IPA (Taipei): /kɔŋ⁴⁴⁻³³ suã¹¹/
** (Teochew)
*** Peng'im: guang$^1$ suan$^3$
*** Pe̍h-ōe-jī-like: kuang suàⁿ
*** Sinological IPA : /kuaŋ³³⁻²³ sũã²¹³/
* Wu
** (Northern: Shanghai)
*** Wugniu: $^1$kuaon-shi
*** MiniDict: kuaon$^平$ shi
*** Wiktionary Romanisation (Shanghai): $^1$kuaan-xi
*** Sinological IPA (Shanghai): /kuɑ̃⁵⁵ ɕi²¹/

### Noun

光線
* (uncountable) light
       Guāngxiàn tài qiáng, wǒ de yǎnjing yǒu diǎn shòubuliǎo. [Pinyin]
       The light was too strong for my eyes.
* (countable) ray of light (Classifier: 束; 條／条; 道)
* (uncountable) lighting
* (Taiwanese Hakka) X-ray

#### Synonyms

* (ray of light): 光芒 (guāngmáng)
* (X-ray):
| Variety | Location | Words |
| Formal (Written Standard Chinese) | Formal (Written Standard Chinese) | 愛克斯射線, X射線, 愛克斯線, X線, 愛克斯光, X光, 倫琴射線 |
| Northeastern Mandarin | Taiwan | X光 |
| Northeastern Mandarin | Singapore | X光 |
| Cantonese | Guangzhou | X光 |
| Cantonese | Hong Kong | X光 |
| Hakka | Miaoli (N. Sixian) | 電光, 光線 |
| Hakka | Pingtung (Neipu; S. Sixian) | 電光, 光線 |
| Hakka | Hsinchu County (Zhudong; Hailu) | 電光, 光線 |
| Hakka | Taichung (Dongshi; Dabu) | 電光 |
| Hakka | Hsinchu County (Qionglin; Raoping) | 電光 |
| Hakka | Yunlin (Lunbei; Zhao'an) | 電光 |
| Southern Min | Xiamen | X光 |
| Southern Min | Tainan | 電光 |

## Japanese

Kanji in this term :
| 光 | 線 |
| こう Grade: 2 | せん Grade: 2 |
| on'yomi ||

### Noun

光(こう)線(せん) • (kōsen)
* a ray of light
    月(つき)の光線(こうせん)、太陽(たいよう)の光線(こうせん)
       tsuki no kōsen, taiyō no kōsen
       moonbeams, sunbeams or rays of sunlight
* a spectrum
    光線(こうせん)を分析(ぶんせき)する
       kōsen o bunseki suru
       analyze a spectrum

#### Derived terms

* 光線過敏症(こうせんかびんしょう) (kōsen kabinshō): photodermatosis
* 光線銃(こうせんじゅう) (kōsen jū): a ray gun
* 殺人光線(さつじんこうせん) (satsujin kōsen): a death ray
* 光線束(こうせんそく) (kōsensoku): alternate for 光束(こうそく) (kōsoku, “luminous flux”)
* 光線追跡法(こうせんついせき) (kōsen tsuiseki): ray tracing
* 光線分析(こうせんぶんせき) (kōsen bunseki): spectrum analysis
* 光線療法(こうせんりょうほう) (kōsen ryōhō): light therapy, phototherapy
* 可視光線(かしこうせん) (kashi kōsen): a visible ray of light; the visible spectrum
* 不可視光線(ふかしこうせん) (fukashi kōsen): an invisible ray of light; the invisible spectrum, such as ultraviolet or infrared

## Korean

Hanja in this term :
| 光 | 線 |

### Noun

光線 • (gwangseon) (hangeul 광선)
* hanja form of 광선 (“ray of light”)

## Vietnamese

chữ Hán Nôm in this term :
| 光 | 線 |

### Noun

光線
* chữ Hán form of quang tuyến (“ray of light”).