| 编号 | 原文 | 台湾用语 | 大陆用语 | 其他用语 |
| 1 | y address | y位址 | | | |
| 2 | y channel | y通道 | | | |
| 3 | y connection | y形连接 | | | |
| 4 | y cursor counter | y游标计数器 | | | |
| 5 | y direction | 纵轴方向；y轴方向 | | | |
| 6 | y operator | y运算子 | | | |
| 7 | y position | y（轴）位置 | | | |
| 8 | y select input | y选择输入 | | | |
| 9 | y signal | y信号；亮度信号 | | | |
| 10 | y status register | y（轴）状态暂存器 | | | |
| 11 | y value | y值 | | | |
| 12 | Y2K | | 2000年问题 | | |
| 13 | YACC | | YACC语言 | | |
| 14 | yard | 工场；码 | | | |
| 15 | yard automatic control system | 工厂自动控制系统 | | | |
| 16 | yaw angle | 偏航角 | | | |
| 17 | yaw axis | 偏航轴 | | | |
| 18 | yaw damping computer | 偏航阻尼计算机 | | | |
| 19 | y-axis | 纵坐标；y轴 | | | |
| 20 | y-axis label | y轴标号 | | | |
| 21 | y-datum line | y基准线 | | | |
| 22 | y-delta starter | y-△形起动器 | | | |
| 23 | y-disk | y碟；一种（会话监督系统）系统磁碟的扩充 | | | |
| 24 | year | 年 | | | |
| 25 | Year 2000 Problem | | 2000年问题 | | |
| 26 | year book | 年 ；年刊 | | | |
| 27 | yearly load curve | 年负载曲线 | | | |
| 28 | yearly load factor | 年负载因数 | | | |
| 29 | yearly output | 年输出 | | | |
| 30 | year-to-date | 年度至本日 | | | |
| 31 | year-to-date cost amount | 年度至本日成本金额 | | | |
| 32 | year-to-date issues | 年度至本日发料量 | | | |
| 33 | year-to-date quantity sold | 年度至本日销售数量 | | | |
| 34 | year-to-date sales amount | 年度至本日销售金额 | | | |
| 35 | year-to-date sales profit amount | 年度至本日销售利润金额 | | | |
| 36 | year-to-date sales profit percent | 年度至本日销售利润百分比 | | | |
| 37 | year-to-date used | 年度至本日已使用 | | | |
| 38 | yellow indicator lamp | 黄色指示灯 | | | |
| 39 | yes-no decision | 是-非决策 | | | |
| 40 | yes-no question grammar | 是-非问题文法 | | | |
| 41 | yes-no type of operation | 是-非运算型式 | | | |
| 42 | Yet Another Compiler Compiler | | YACC语言 | | |
| 43 | yet another compiler-compiler | YACC编译器编译器 | | | |
| 44 | Yewtec corporation | 尤特克公司 | | | |
| 45 | yield | 成品；成品率；产出；屈服；良率；投资报酬 | | | |
| 46 | yield factor | 良率；产出率 | | | |
| 47 | yield load | 屈服点负载 | | | |
| 48 | yield point | 屈服点；击穿点 | | | |
| 49 | yield safety factor | 良率安全因数 | | | |
| 50 | yield value | 屈服值 | | | |
| 51 | yielding point | 屈服点；击穿点 | | | |
| 52 | yoke | 磁头组；磁轭 | 偏转线圈 | | |
| 53 | youngest empty cell | 最短空单元；最近期空单元 | | | |
| 54 | y-punch | 12列打孔（在何勒里斯卡片上）；y打孔；y打孔位；首列打孔 | | | |
| 55 | ytterbium | 镱 | | | |
| 56 | yttrium | 钇 | | | |
| 57 | yttrium aluminum garnet | 钇铝石榴石 | | | |
| 58 | yttrium iron garnet | 钇铁石榴石；钇铁榴石 | | | |
| 59 | y-y connection | y-y形连接 | | | |