| K | KNIT | 针织 |
| K | Kyat | 元 |
| K | Kwacha | 克瓦查 |
| K | Kip | 基普 |
| K | k | 咳嗽声 |
| K | Candlesticks | 蜡烛线、阴阳线、卦线 |
| K | Kelvin | 开尔文 |
| K | kilo- | 千,等于10的3次方。 |
| K | Federal Reserve Bank of Dallas, Texas (designates original point of circulation of a dollar bill) | 德克萨斯州达拉斯联邦储备银行(指定美元票据的原始流通点) |
| K | angle of kappa | 卡帕角 |
| K | kell blood system | 凯尔血液系统 |
| K | ionization constant | 电离常数 |
| K | kallikrein inhibiting unit | 激肽释放酶抑制单元 |
| K | Kelly | 凯莉 |
| K | Killian | 基里安语 |
| K | magnetic susceptibility | 磁化率 |
| K | phylloquinone | 叶醌 |
| K | kindey | 善良的 |
| K | Karate | 空手道 |
| K | katayama | 片山 |
| K | constant,rate or velocity | 恒定、速率或速度 |
| K | kappa(tenth letter of greek alphabet) | kappa(希腊字母的第十个字母) |
| K | velocity constant of chemical reaction | 化学反应速度常数 |
| K | kelvin temperature | 开尔文温度 |
| K | one of the two immunoglobulin light chains | 两条免疫球蛋白轻链之一 |
| K | kapsel(capsular)antigen | kapsel(荚膜)抗原 |
| K | electrostatic capacity | 静电容量 |
| K | klebsiella(genus) | 克雷伯氏菌属 |
| K | Karat | 卡拉特(Karat) |
| K | Knit Stitch | 针织缝线 |
| K | Curvature | 曲率 |
| K | Wreck Less Than $50 Damage (Alabama Public Safety radio code) | 沉船损失低于50美元(阿拉巴马州公共安全无线电代码) |
| K | kalium | 钾 |
| K | Key Generator | 密钥生成器 |
| K | knee | 膝 |
| K | Kell Blood Group | 凯尔血型 |
| K | Boltzman Constant | 波尔兹曼常数 |
| K | kanamycin | 卡那霉素 |
| K | Kirby | 柯比 |
| K | Coefficient of Thermal Conductivity | 导热系数 |
| K | Strikeout | 删除线 |
| K | boltzmann constant | 玻尔兹曼常数 |
| K | Potassium | 钾 |
| K | chloromethyl chloroformate | 氯甲酸氯甲酯 |
| K | Know | 知道 |
| K | coefficient of scleral rigidity | 巩膜硬度系数 |
| K | Confidential Cryptographic (TMINS) | 机密密码(TMINS) |
| K | Capital (economics) | 资本(经济学) |
| K | K Language (Unix-Based programming language) | K语言(基于Unix的编程语言) |
| K | Eastern Ontario (postal code designation, Canada) | 安大略省东部(邮政编码指定,加拿大) |
| K | Carrying Capacity (population studies) | 承载能力(人口研究) |
| K | Killer (type of white blood cell) | 杀手(白细胞类型) |
| K | absolute zero(temperature) | 绝对零度(温度) |
| K | killer | 杀手 |
| K | gene required for maintenance of kappa | 维持kappa所需的基因 |
| K | a gastric tube | 胃管 |
| K | equilibrium constant | 平衡常数 |
| K | symbol for dissociation constant | 解离常数符号 |
| K | constant | 常数 |
| K | Kosher (symbol on food labels) | 犹太洁食(食品标签上的符号) |
| K | US Offices in China Stamp (Scott Catalogue prefix; philately) | 美国驻华办事处邮票(斯科特目录前缀;集邮) |
| K | K-Mart (store) | K-Mart(商店) |
| K | Black (in CMYK color space) | 黑色(在CMYK颜色空间中) |
| K | Kelvin (thermodynamic temperature scale) | 开尔文(热力学温标) |
| K | King (playing cards, chess) | 国王(打牌、下棋) |
| K | Kalium (Potassium) | 钾(钾) |
| K | Kindergarten (as in K-12) | 幼儿园(如K-12) |
| K | Knot | 结 |
| K | OK/Okay | 好/好 |
| K | Kilo- (thousand) | 千(千) |
| K | Korpus (Russian, building; used in postal addresses) | Korpus(俄语,建筑物;用于邮政地址) |
| K | Que (Spanish) | Que(西班牙语) |
| K | Over (logging abbreviation) | Over(测井缩写) |
| K | Cologne (auto license plate) | 科隆(汽车牌照) |
| K | Kellogg's Corp (stock symbol) | 凯洛格的公司(股票符号) |
| K | Kerrang! (British Magazine and TV Channel) | Kerrang!(英国杂志和电视频道) |
| K | Phylloquinone (vitamin) | 叶醌(维生素) |
| K | Ketamine (animal tranquilizer/disassociative) | 氯胺酮(动物镇静剂/ disassociative) |
| K | Keratometric Reading (contact lens fitting term) | 角膜测量读数(隐形眼镜安装术语) |
| K | Key/Black (printing ink in CMYK model) | 关键/黑色油墨在CMYK模型 |
| K | Cathode (electronics) | 阴极(电子) |
| K | Kicker (football) | 踢球者(足球) |
| K | Kompressor (band) | Kompressor(乐队) |
| K | Permeability (physics) | 渗透率(物理) |
| K | Lysine (amino acid) | 赖氨酸(氨基酸) |
| K | Ludwig von Köchel (publisher of catalog of the works of Wolfgang Amadeus Mozart) | Ludwig von Köchel (publisher of catalog of the works of Wolfgang Amadeus Mozart) |
| K | Kiloohm (resistor; electronics schematics) | 千欧(电阻器;电子原理图) |
| K | Kerry (Irish car registration) | Kerry(爱尔兰汽车登记) |
| K | Tanker Aircraft Designation (US military, as in KC-10) | 油轮飞机名称(美军,如KC-10) |
| K | Kappa (receptor) | Kappa(受体) |