螺旋

Chinese

		aquatic snail	lathe; specially for an occasion; revolve
simp. and trad. (螺旋)		螺	旋

Pronunciation

Mandarin
(Pinyin): luóxuán

(Zhuyin): ㄌㄨㄛˊ ㄒㄩㄢˊ
Cantonese (Jyutping): lo⁴ syun⁴
Min Nan
(Hokkien, POJ): lô-soân / lêr-soân / lê-chn̄g

(Teochew, Peng'im): lo⁵ suang⁵

Mandarin
- (Standard Chinese)⁺
  - Hanyu Pinyin: luóxuán
  - Zhuyin: ㄌㄨㄛˊ ㄒㄩㄢˊ
  - Tongyong Pinyin: luósyuán
  - Wade–Giles: lo²-hsüan²
  - Yale: lwó-sywán
  - Gwoyeu Romatzyh: luoshyuan
  - Palladius: лосюань (losjuanʹ)
  - Sinological IPA ^(key): /lu̯ɔ³⁵ ɕy̯ɛn³⁵/
Cantonese
- (Standard Cantonese, Guangzhou–Hong Kong)⁺
  - Jyutping: lo⁴ syun⁴
  - Yale: lòh syùhn
  - Cantonese Pinyin: lo⁴ syn⁴
  - Guangdong Romanization: lo⁴ xun⁴
  - Sinological IPA ^(key): /lɔː²¹ ʃyːn²¹/
Min Nan
- (Hokkien: Xiamen, Quanzhou, Zhangzhou)
  - Pe̍h-ōe-jī: lô-soân
  - Tâi-lô: lô-suân
  - Phofsit Daibuun: loisoaan
  - IPA (Xiamen, Quanzhou): /lo²⁴⁻²² suan²⁴/
  - IPA (Zhangzhou): /lo¹³⁻²² suan¹³/
- (Hokkien: Quanzhou)
  - Pe̍h-ōe-jī: lêr-soân
  - Tâi-lô: lêr-suân
  - IPA (Quanzhou): /lə²⁴⁻²² suan²⁴/
- (Hokkien: General Taiwanese)
  - Pe̍h-ōe-jī: lê-chn̄g
  - Tâi-lô: lê-tsn̄g
  - Phofsit Daibuun: lezng
  - IPA (Taipei): /le²⁴⁻¹¹ t͡sŋ̍³³/
  - IPA (Kaohsiung): /le²³⁻³³ t͡sŋ̍³³/
- (Teochew)
  - Peng'im: lo⁵ suang⁵
  - Pe̍h-ōe-jī-like: lô suâng
  - Sinological IPA ^(key): /lo⁵⁵⁻¹¹ suaŋ⁵⁵/

Middle Chinese: lwa zjwen

Rime
Character	螺	旋
Reading #	1/1	1/2
Initial (聲)	來 (37)	邪 (17)
Final (韻)	戈 (95)	仙 (78)
Tone (調)	Level (Ø)	Level (Ø)
Openness (開合)	Closed	Closed
Division (等)	I	III
Fanqie	落戈切	似宣切
Baxter	lwa	zjwen
Reconstructions
Zhengzhang Shangfang	/luɑ/	/ziuᴇn/
Pan Wuyun	/luɑ/	/zʷiɛn/
Shao Rongfen	/luɑ/	/zjuæn/
Edwin Pulleyblank	/lwa/	/zwian/
Li Rong	/luɑ/	/ziuɛn/
Wang Li	/luɑ/	/zĭwɛn/
Bernard Karlgren	/luɑ/	/zi̯wɛn/
Expected Mandarin Reflex	luó	xuán
Expected Cantonese Reflex	lo⁴	cyun⁴

Noun

螺旋

helix; spiral
(mechanics) screw

Derived terms

螺旋式
螺旋推進機／螺旋推进机
螺旋桿菌／螺旋杆菌 (luóxuán-gānjūn)
螺旋槳／螺旋桨 (luóxuánjiǎng)
螺旋狀／螺旋状
螺旋菌
螺旋藻 (luóxuánzǎo)
螺旋體／螺旋体 (luóxuántǐ)
雙螺旋／双螺旋 (shuāngluóxuán)
黃金螺旋／黄金螺旋 (huángjīn luóxuán)

Descendants

Sino-Xenic (螺旋):

→ Japanese: 螺(ら)旋(せん) (rasen)

Japanese

Kanji in this term
螺	旋
ら Jinmeiyō	せん Grade: S
on’yomi

Etymology 1

First appears in texts from the early 1800s.[1] Ultimately from 螺旋 (MC lwa zjwen). Compare modern Min Nan reading lêr-soân.

Pronunciation

(Tokyo) らせん [ràséń] (Heiban – [0])[2][3][4]
IPA^(key): [ɾa̠sẽ̞ɴ]

Noun

螺(ら)旋(せん) • (rasen)

a helix, a spiral
a screw

Derived terms

螺(ら)旋(せん)階(かい)段(だん) (rasen kaidan): a spiral staircase
螺(ら)旋(せん)丸(がん) (rasengan)
螺(ら)旋(せん)形(けい) (rasenkei): a helix or spiral shape
螺(ら)旋(せん)状(じょう) (rasenjō): a helix or spiral shape
螺(ら)旋(せん)状(じょう)菌(きん) (rasenjō kin): a spirillum (a spiral-shaped bacterium)
螺(ら)旋(せん)推(すい)進(しん)機(き) (rasen suishinki): a screw (as for a ship or boat; obsolete, replaced by propellers)
螺(ら)旋(せん)水(みず)揚(あげ)機(き) (rasen mizu-age ki): an Archimedes screw, a screw-shaped water pump

Etymology 2

For pronunciation and definitions of 螺旋 – see the following entry.

【螺子ねじ】

[noun] a screw

[noun] a spring or coil that can be wound, such as that of a clock

[noun] (figurative) marbles (sanity)

Alternative spellings
捻子, 捩子, ネジ

(This term, 螺旋, is an alternative spelling (rare) of the above term.)

References

1988, 国語大辞典（新装版） (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN
1998, NHK日本語発音アクセント辞典 (NHK Japanese Pronunciation Accent Dictionary) (in Japanese), Tōkyō: NHK, →ISBN
1997, 新明解国語辞典 (Shin Meikai Kokugo Jiten), Fifth Edition (in Japanese), Tōkyō: Sanseidō, →ISBN

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