凹凸

Chinese

FWOTD – 14 August 2014

		a depression; indentation; concave a depression; indentation; concave; hollow	(adj) convex; stick out
simp. and trad. (凹凸)		凹	凸
anagram		凸凹

Mandarin
- (Standard Chinese, Mainland)⁺
  - Pinyin: āotū
  - Zhuyin: ㄠㄊㄨ
  - Gwoyeu Romatzyh: autu
  - IPA ^(key): /ˀɑʊ̯⁵⁵ tʰu⁵⁵/
- (Standard Chinese, Taiwan)⁺
  - Pinyin: āotú
  - Zhuyin: ㄠㄊㄨˊ
  - Gwoyeu Romatzyh: autwu
  - IPA ^(key): /ˀɑʊ̯⁵⁵ tʰu³⁵/
Cantonese
- (Standard Cantonese, Guangzhou)⁺
  - Jyutping: nap¹ dat⁶
  - Yale: nāp daht
  - Cantonese Pinyin: nap⁷ dat⁹
  - Guangdong Romanization: neb¹ ded⁶
  - IPA ^(key): /nɐp̚⁵ tɐt̚²/
Wu
- (Shanghainese)
  - Wiktionary: au deq (T1)
  - IPA ^(key): /ɔ⁵⁵ d̻əʔ²¹/

凹凸

uneven; bumpy; rugged
- 不是我無食力身軀閃這一滑，多管是少人行山路凹凸。 [Classical Chinese, trad.]
  不是我无食力身躯闪这一滑，多管是少人行山路凹凸。 [Classical Chinese, simp.]
  From: 14th century, Poetry by Qin Jianfu
  Bùshì wǒ wú shílì shēnqū shǎn zhè yī huá, duōguǎn shì shǎo rén xíng shānlù āotū. [Pinyin]
  The reason I slipped is not because my starving body was feeble; it was due to the roughness of the mountain road since not many people had walked on this.
(optics, mathematics) concavo-convex
- 論文是有關實解析函數在極值點附近的凹凸性的。 [MSC, trad.]
  论文是有关实解析函数在极值点附近的凹凸性的。 [MSC, simp.]
  Lùnwén shì yǒuguān shíjiěxīhánshù zài jízhídiǎn fùjìn de āotūxìng de. [Pinyin]
  The journal article was about concavo-convexity of real analytic functions near extremities.

Sino-Xenic (凹凸):

aputotu > aɸutotu > *awutotu > autotu > ɔːtotu > oːtotu.

凹凸 (hiragana おうとつ, rōmaji ōtotsu, historical hiragana あふとつ)

that which has a non-flat surface; uneven, bumpy
路 (ろ)面 (めん)凹凸 (おうとつ)あり
Romen ōtotsu ari
Caution: rough road ahead

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