| 日耳曼语 | Rì ěr màn yǔ | Germanic language |
| 波义耳 | Bō yì ěr | Boyle (name); Robert Boyle (1627-91), British and Irish scientist and pioneer chemist |
| 洗耳恭听 | xǐ ěr gōng tīng | to listen with respectful attention; (a polite request to sb to speak); we are all ears |
| 炮耳 | pào ěr | trunnion; protrusions on either side of a cannon facilitating mounting and vertical pivot; also written 砲耳 |
| 熊耳山 | Xióng ěr shān | Mt Xiong'er national geological park in 枣庄, south Shandong |
| 玻意耳 | Bō yì ěr | Robert Boyle (1627-1691), English chemist |
| 玻意耳定律 | Bō yì ěr dìng lǜ | Boyle's law |
| 白木耳 | bái mù ěr | tremella |
| 眼瞎耳聋 | yǎn xiā ěr lóng | to be deaf and blind (idiom) |
眼见为实，
耳听为虚 | yǎn jiàn wéi shí ,
ěr tīng wéi xū | to believe what one sees, not what one hears (idiom). Don't believe what people tell you until you see if for yourself.; It ain't necessarily so. |
| 眼观六路耳听八方 | yǎn guān liù lù ěr tīng bā fāng | lit. the eyes watch six roads and the ears listen in all directions; to be observant and alert (idiom) |
| 砲耳 | pào ěr | trunnion; protrusions on either side of a cannon facilitating mounting and vertical pivot; also written 炮耳 |
| 秋风过耳 | qiū fēng guò ěr | lit. as the autumn breeze passes the ear (idiom); not in the least concerned |
| 范德瓦耳斯 | Fàn dé Wǎ ěr sī | van der Waals; Johannes Diderik van der Waals (1837-1923), Dutch physicist |
| 范德瓦耳斯力 | Fàn dé Wǎ ěr sī lì | van der Waals force (valency) |
| 纳塔乃耳 | Nà tǎ nǎi ěr | Nathaniel |
| 耳下腺 | ěr xià xiàn | subauricular gland; parotid gland (salivary gland in the cheek) |
| 耳垂 | ěr chuí | earlobe |
| 耳垢 | ěr gòu | ear dirt; common word for earwax 耵聍 |
| 耳塞 | ěr sāi | earplug; earphone |
| 耳坠子 | ěr zhuì zi | eardrops (pendant jewelry); earrings; CL:对,只 |
| 耳子 | ěr zi | handle (on a pot) |
| 耳屎 | ěr shǐ | earwax; cerumen |
| 耳廓狐 | ěr kuò hú | fennec; Vulpes zerda |
| 耳旁风 | ěr páng fēng | lit. wind past your ear; fig. sth you don't pay much attention to; in one ear and out the other |
| 耳源性 | ěr yuán xìng | aural vertigo |
| 耳濡目染 | ěr rú mù rǎn | to be influenced |
| 耳熟 | ěr shú | to sound familiar; familiar-sounding |
| 耳熟能详 | ěr shóu néng xiáng | see 耳熟能详 |
| 耳熟能详 | ěr shú néng xiáng | what's frequently heard can be repeated in detail (idiom) |
| 耳片 | ěr piān | tab (of a web browser) |
| 耳痛 | ěr tòng | ear-ache |
| 耳闻不如目见 | ěr wén bù rú mù jiàn | seeing sth for oneself is better than hearing about it from others |
耳听为虚，
眼见为实 | ěr tīng wéi xū ,
yǎn jiàn wéi shí | Take what you hear to be false, only believe it when you see it (idiom). Don't believe what people tell you until you see if for yourself.; It ain't necessarily so. |
| 耳聋 | ěr lóng | deaf |
| 耳膜 | ěr mó | eardrum; tympanum (of the middle ear); tympanic membrane; same as 鼓膜 |
| 耳蜗 | ěr wō | cochlea |
| 耳蜡 | ěr là | earwax; cerumen |
| 耳边风 | ěr biān fēng | lit. wind past your ear; fig. sth you don't pay much attention to; in one ear and out the other |
| 耳钉 | ěr dīng | stud earring |
| 耳鸣 | ěr míng | tinnitus |
| 耳麦 | ěr mài | headphones; earphones |
| 耳鼻咽喉 | ěr bí yān hóu | ear nose and throat; otolaryngology |
| 聒耳 | guō ěr | raucous; ear-splitting |
| 聂耳 | Niè Ěr | Nie Er (1912-1935), musician and composer of the PRC national anthem March of the Volunteer Army 义勇军进行曲 |
| 肥头大耳 | féi tóu dà ěr | robust and prosperous (a compliment in former times); fat person (modern) |
| 蒲式耳 | pú shì ěr | bushel (one eight of a gallon) |
| 苍耳 | cāng ěr | Siberian cocklebur (botany) |
| 蓝耳病 | lán ěr bìng | porcine reproductive and respiratory syndrome (PRRS); blue-ear swine fever |
| 苏格兰折耳猫 | Sū gé lán Zhé ěr māo | Scottish Fold |
