| 甲 | jiǎ | first of the ten heavenly stems 十天干; (used for an unspecified person or thing); first (in a list, as a party to a contract etc); armor plating; shell or carapace; (of the fingers or toes) nail; bladed leather or metal armor (old); ranking system used in the Imperial examinations (old); civil administration unit (old) |
| 甲基 | jiǎ jī | methyl group (chemistry) |
| 甲乙 | jiǎ yǐ | first two of the ten heavenly stems 十天干 |
| 甲醛 | jiǎ quán | formaldehyde (HCHO) |
| 甲烷 | jiǎ wán | methane CH4 |
| 甲板 | jiǎ bǎn | deck (of a boat etc) |
| 甲苯 | jiǎ běn | toluene C6H5CH3; methylbenzene |
| 甲酸 | jiǎ suān | formylic acid (HCOOH); formic acid; methanoic acid |
| 二甲苯 | èr jiǎ běn | xylene |
| 甲骨文 | jiǎ gǔ wén | oracle script; oracle bone inscriptions (an early form of Chinese script) |
| 甲醇 | jiǎ chún | methyl alcohol; methanol CH3OH; wood alcohol; wood spirit |
| 装甲 | zhuāng jiǎ | vehicle armor |
| 指甲 | zhǐ jia | fingernail |
| 甲午战争 | Jiǎ wǔ Zhàn zhēng | the first Sino-Japanese War of 1894-95 |
| 甲子 | jiǎ zǐ | first of 10 heavenly stems 天干 and first of 12 earthly branches 地支; by ext., the 60 combinations 甲子, 乙丑, 丙寅 etc making up the year cycle; first year A1 of the 60 year cycle, e.g. 1984 or 2044 |
| 装甲车 | zhuāng jiǎ chē | armored car; CL:辆 |
| 苯甲酸 | běn jiǎ suān | benzoic acid C6H5COOH |
| 甲状腺 | jiǎ zhuàng xiàn | thyroid gland |
| 花甲 | huā jiǎ | complete sexagenary cycle; a 60 year-old person; passage of time |
| 甲第 | jiǎ dì | residence of a noble; top candidate in the imperial examinations |
| 甲状腺肿 | jiǎ zhuàng xiàn zhǒng | goiter (enlargement of thyroid gland) |
| 甲壳 | jiǎ qiào | carapace; crust; outer shell |
| 甲鱼 | jiǎ yú | turtle; terrapin |
| 盔甲 | kuī jiǎ | armor; body armor and helmet |
| 铁甲 | tiě jiǎ | mail plating; armor; armor plating |
| 铁甲车 | tiě jiǎ chē | armored car |
| 一甲子 | yī jiǎ zǐ | sixty years |
| 三氯甲烷 | sān lǜ jiǎ wán | chloroform CHCl3; trichloromethane |
| 三硝基甲苯 | sān xiāo jī jiǎ běn | trinitrotoluene (TNT) |
| 下鼻甲 | xià bí jiǎ | inferior nasal conchae |
| 丘逢甲 | Qiū Féng jiǎ | Qiu Fengjia or Ch'iu Feng-chia (1864-1912), Taiwanese Hakkanese poet |
| 二氯甲烷 | èr lǜ jiǎ wán | dichloromethane |
| 二甲基砷酸 | èr jiǎ jī shēn suān | dimethylarsenic acid (CH3)2AsO2H; cacodylic acid |
| 二甲基胂酸 | èr jiǎ jī shèn suān | dimethylarsenic acid (CH3)2AsO2H; cacodylic acid |
| 亮菌甲素 | liàng jūn jiǎ sù | armillarisin (fungal enzyme used as antibiotic) |
| 保甲制度 | bǎo jiǎ zhì dù | the Bao-Jia system (an administrative system organized on basis of households) |
| 修指甲 | xiū zhǐ jia | manicure |
| 倒戈卸甲 | dǎo gē xiè jiǎ | to lay down arms |
| 六甲 | Liù jiǎ | Liuchia township in Tainan county 台南县, Taiwan |
| 六甲乡 | Liù jiǎ xiāng | Liuchia township in Tainan county 台南县, Taiwan |
| 前甲板 | qián jiǎ bǎn | forward deck (of a boat) |
| 卜甲 | bǔ jiǎ | oracle tortoise shell |
| 大甲 | Dà jiǎ | Tachia town in Taichung county 台中县, Taiwan |
| 大甲镇 | Dà jiǎ zhèn | Tachia town in Taichung county 台中县, Taiwan |
| 学甲 | Xué jiǎ | Hsuehchia town in Tainan county 台南县, Taiwan |
| 学甲镇 | Xué jiǎ zhèn | Hsuehchia town in Tainan county 台南县, Taiwan |
| 尼布甲尼撒 | Ní bù jiǎ ní sā | Nebuchadnezzar |
| 后甲板 | hòu jiǎ bǎn | afterdeck |
| 戎甲 | róng jiǎ | weapons and armor |
抗耐甲氧西林金葡
菌 | kàng nài jiǎ yǎng xī lín jīn pú jūn | methicillin-resistant Staphylococcus aureus (MRSA) |
