凹

Pinyin: āo | Core Meaning: concave; sunken; hollow (refers to a surface lower than its surroundings)

基本信息 (Basic Information)

含义与用法 (Meanings & Usage)

中文核心释义 (Core Chinese Meaning): 物体表面低于周围的部分，凹陷。

英文核心释义 (Core English Meaning): concave; sunken; hollow (refers to a surface lower than its surroundings)

“凹”通常形容物体表面下陷的形状，如“凹面”、“凹槽”、“凹陷”。现代多用于形容词或名词搭配。与“凸”相对。 '凹' is often used to describe a sunken or indented surface, such as in '凹面' (concave surface), '凹槽' (groove), or '凹陷' (depression). Commonly used as an adjective or noun modifier. It is the opposite of '凸' (convex).

象形意义 / 为何这么写 (Pictographic Meaning / Writing Rationale)

‘凹’字本义象形，描绘出中央低陷、两边隆起的外形，表示物体表面凹下去的样子。The character '凹' is pictographic in origin, illustrating a lower center with raised sides, representing a surface that is sunken or indented.

文言文释义 (Classical Chinese Meaning)

与现代意义相近，主要表示凹陷、下陷的状态。Similar to modern meaning, mainly indicating a sunken or depressed state.

深入学习 (In-depth Study)

字源故事 (Origin Story)

“凹”字最早的字形就像一个中间低两边高的形态，描绘物体的中部凹下去，四周突出，生动表现凹陷的概念。古人用直观的象形方式表达‘低下’的状态。The earliest form of '凹' resembles a shape that is low in the middle and high on both sides, portraying something sunken at the center with raised edges. The character vividly represents the concept of a depression using an intuitive pictographic approach to express 'lowered' or 'sunken' states.

字形演变 (Character Evolution)

甲骨文 (Oracle Bone Script):
在甲骨文中，‘凹’的字形类似一个中间低两边高的小山丘，直接反映出凹陷的形态。 In Oracle Bone Script, the form of '凹' is similar to a small hill that is low in the middle and high on both sides, directly reflecting a sunken shape.
金文 (Bronze Inscription):
金文中‘凹’的字形进一步简化，中部低下、两边上翘，更加强了凹陷的感觉。 In Bronze Inscriptions, the structure of '凹' becomes more simplified while keeping the central depression and elevated sides, emphasizing the sunken aspect.
小篆 (Small Seal Script):
小篆中的‘凹’规范化呈现为左右高、中间低，线条流畅，字形更规范。 '凹' in Small Seal Script is standardized with high sides and a lower middle, smooth lines, and a more regular form.
隶书 (Clerical Script):
隶书将‘凹’的笔画进一步扁平化，结构规整，便于书写。 In Clerical Script, '凹' is further flattened and made more orderly, easier for writing.
楷书 (现代) (Regular Script (Modern)):
现代楷书中的‘凹’左高右高中间低，结构简单明了，极具象形意义。 In modern Regular Script, '凹' has high left and right components with a low center, simple and clear, strongly maintaining its pictographic meaning.

常用词语和例句 (Common Words & Examples)

凹陷 (depression, dent, hollow (a sunken area))

āo xiàn

路面有明显的凹陷，需要修补。

Pinyin: Lùmiàn yǒu míngxiǎn de āoxiàn, xūyào xiūbǔ.

Eng: There is a noticeable depression in the road surface that needs repair.

凹槽 (groove, slot (a sunken channel or slot in an object))

āo cáo

这块木板上有一个凹槽，方便安装配件。

Pinyin: Zhè kuài mùbǎn shàng yǒu yí gè āocáo, fāngbiàn ānzhuāng pèijiàn.

Eng: There is a groove on this wooden board, making it easier to install components.

凹面 (concave surface)

āo miàn

凹面镜可以聚光。

Pinyin: Āomiàn jìng kěyǐ jùguāng.

Eng: A concave mirror can focus light.

相关成语 (Related Idioms)

相关成语信息待补充。Related idiom information pending.

多语言翻译 (核心释义) (Translations (Core Meaning))

  • French: concave, creux
  • German: eingesunken, konkav
  • Spanish: cóncavo, hundido
  • Italian: concavo, incavato
  • Portuguese: côncavo, afundado
  • Russian: вогнутый, впалый
  • Arabic: مقعر، غائر
  • Persian: گود، فرورفته
  • Dutch: hol, concaaf
  • Polish: wklęsły
  • Vietnamese: lõm, lõm vào, mặt lõm
  • Ukrainian: увігнутий, западина

视频学习资源 (Video Learning Resources)

通过以下链接在热门视频网站搜索 "凹" 的更多讲解：

Search for more explanations of "凹" on popular video sites:

网络参考 (Web References for "凹") ()

网络内容摘要 (Web Content Summary):

```html

核心含义：“凹”是一个形声兼会意字，主要表示“低于周围，中间下陷”的意思，与“凸”相对。 Core meaning: "凹" primarily means "concave" or "lower than the surroundings," and is the opposite of "凸 (convex)."

字源与趣味：“凹”在秦汉时期之后才出现，早期典籍如《说文解字》中没有收录它。它属于抽象形符造成的表意字，用来形容低陷的形状。 Etymology and background: "凹" emerged after the Qin and Han dynasties and doesn't appear in earlier dictionaries like the Shuowen Jiezi. It is an ideographic character depicting a sunken or concave form.

  • 读音：主要读作“āo”，有时也读“wā”（多见于地名）。 Pronunciation: Usually pronounced "āo", sometimes "wā" (especially in place names).
  • 常见用法：常用于描述地形（如“凹地”、“凹陷”），或物体表面（如“凹槽”）。 Common usage: Used in words describing terrain ("凹地" - depression, "凹陷" - indentation) or surfaces ("凹槽" - groove).
  • 易混淆点：容易和“凸”（tū，表示高出周围）混淆；“凹”表示下陷，“凸”表示隆起。 Common confusion: Easily confused with "凸 (tū, convex)" – "凹" means sunken, "凸" means raised.

相关成语/词语：常见搭配如“凹凸不平”（uneven; bumpy），突出“凹”与“凸”的对比关系。 Related phrases: Common phrases include “凹凸不平” (uneven; bumpy), stressing the contrast between "concave" and "convex".

注：关于“凹”的详细字形来源或更丰富的文化背景，资料较为有限。 Note: More detailed information on its pictographic origin or cultural background is limited.

```

漢語多功能字庫 - 字頭 「凹」 - humanum.arts.cuhk.edu.hk

詳解: 「凹」是抽象形符造成的表意字，秦漢以後才出現。 （裘錫圭）《說文》無此字。本義是低於周圍，與「凸」相對。 《廣韻．洽韻》：「凹，下也。」如《抱樸子．登涉》：「有凸起者牡銅也，有凹陷者牝銅也，各刻名識之。

凹（汉语文字）_百度百科

凹，汉语一级字，读作凹（āo或wā），其本义为周围高、中间低或同"洼"（用于地名）。 网页 新闻 贴吧 知道 网盘 图片 视频 地图 文库 资讯 采购 百科

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凹 - 更多图片 (More Images) (modelslab_artistic_v2)