洞
·
cave; hole; zero (unambiguous spoken form when spelling out numbers); CL:個|个[ge4]
9 strokes
Dict coverage rank #912 U+6D1E
How 洞 is formed
Phono-semantic compound (形声字)
氵 (semantic, “water”) + 同 (phonetic, tóng)
How to remember it
cave · Heisig RSH #186
monks + 水 water
Keyword method from Heisig's Remembering Simplified Hanzi.
Phonetic series: characters sharing the sound component 同
Siblings built with the same phonetic component 同 (tóng) — compare how they read:
| Character | Pinyin | Meaning |
|---|---|---|
| 同 sound component | tóng | same, similar; together with, alike |
| 铜 | tóng | copper, bronze |
| 筒 | tǒng | tube, pipe, cylinder; a thick piece of bamboo |
| 酮 | tóng | ketone |
| 桐 | tóng | Chinese wood-oil tree, Vernicia fordii |
| 侗 | tóng | big; ignorant, rude, rustic |
| 峒 | dòng | a mountain in Gansu province |
| 硐 | tóng | cave; chamber; pit |
| 恫 | dòng | fearful, pained, sorrowful |
| 胴 | dòng | the large intestine; the body |
| 茼 | tóng | chrysanthemum; Glebionis coronarium |
| 垌 | dòng | farm, field; used in place names |
Words containing 洞
| Word | Pinyin | Meaning |
|---|---|---|
| 空洞无物 | kōng dòng wú wù | empty cave, nothing there (idiom); devoid of substance; nothing new to show |
| 洞头区 | Dòng tóu Qū | Dongtou, a district of Wenzhou City 溫州市|温州市[Wen1 zhou1 Shi4], Zhejiang |
| 洞口县 | Dòng kǒu Xiàn | Dongkou, a county in Shaoyang City 邵陽市|邵阳市[Shao4 yang2 Shi4], Hunan |
| 脑洞大开 | nǎo dòng dà kāi | imaginative; to have one's mind buzzing with ideas |
| 别有洞天 | bié yǒu dòng tiān | place of charm and beauty; scenery of exceptional charm; completely different world |
| 人字洞 | Rén zì dòng | Renzidong palaeolithic archaeological site at Fanchang 繁昌[Fan2 chang1], Anhui |
| 小洞不补大洞吃苦 | xiǎo dòng bù bǔ dà dòng chī kǔ | A small hole not plugged will make you suffer a big hole (idiom); a stitch in time saves n… |
| 一击入洞 | yī jī rù dòng | hole in one (golf) |
| 无底洞 | wú dǐ dòng | bottomless pit |
| 开脑洞 | kāi nǎo dòng | to blow people's minds with highly imaginative, bizarre ideas |
| 洞子 | dòng zi | cave; pit; (coll.) greenhouse |
| 山洞 | shān dòng | cavern; cave |
| 洞头 | Dòng tóu | see 洞頭區|洞头区[Dong4 tou2 Qu1] |
| 地洞 | dì dòng | tunnel; cave; burrow; dugout |
| 洞天 | dòng tiān | paradise; heavenly or beautiful place; fairyland |
| 防空洞 | fáng kōng dòng | air raid shelter; bomb shelter; (fig.) place that protects bad people; hideout |
| 白洞 | bái dòng | white hole (cosmology) |
| 电洞 | diàn dòng | electron hole (physics) |
| 洞口 | Dòng kǒu | see 洞口縣|洞口县[Dong4 kou3 Xian4] |
| 洞口 | dòng kǒu | cave mouth; tunnel entrance |