凹凸

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Chinese[edit]

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

Pronunciation[edit]



Rime
Character
Reading # 1/1 1/2 2/2
Initial () (34) (7) (7)
Final () (152) (56) (87)
Tone (調) Checked (Ø) Checked (Ø) Checked (Ø)
Openness (開合) Open Closed Open
Division () II I IV
Fanqie
Reconstructions
Zhengzhang
Shangfang
/ʔˠɛp̚/ /duət̚/ /det̚/
Pan
Wuyun
/ʔᵚæp̚/ /duot̚/ /det̚/
Shao
Rongfen
/ʔɐp̚/ /duət̚/ /dɛt̚/
Edwin
Pulleyblank
/ʔəɨp̚/ /dwət̚/ /dɛt̚/
Li
Rong
/ʔɐp̚/ /duət̚/ /det̚/
Wang
Li
/ɐp̚/ /duət̚/ /diet̚/
Bernard
Karlgren
/ʔăp̚/ /dʱuət̚/ /dʱiet̚/
Expected
Mandarin
Reflex
ya dié

Adjective[edit]

凹凸

  1. uneven; bumpy; rugged
  2. (optics, mathematics) concavo-convex

Derived terms[edit]

Descendants[edit]

Sino-Xenic (凹凸):
  • Japanese: 凹凸(おうとつ) (ōtotsu)
  • Korean: 요철 (凹凸, yocheol)
  • Vietnamese: ao đột (凹凸)

Japanese[edit]

Kanji in this term
おう
Grade: S
とつ
Grade: S
kan’on

Etymology[edit]

/aputotu//aɸutotu/ → */awutot͡su//autot͡su//ɔːtot͡su//oːtot͡su/

Ultimately from Middle Chinese 凹凸 (MC ʔˠɛp̚ duət̚). Appears in texts from at least the 1600s.[1]

Pronunciation[edit]

Noun[edit]

(おう)(とつ) (ōtotsu (historical kana あふとつ)

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

Anagrams[edit]

References[edit]

  1. ^ 1988, 国語大辞典(新装版) (Kokugo Dai Jiten, Revised Edition) (in Japanese), Tōkyō: Shogakukan
  2. ^ 2006, 大辞林 (Daijirin), Third Edition (in Japanese), Tōkyō: Sanseidō, →ISBN