former英语词典

牛津词典：the former the first of two things or people mentioned （两者中的）前者•He had to choose between giving up his job and giving up his principles. He chose the former. 他得在放弃工作和放弃原则二者中择其一。他选择了前者。——compare latter柯林斯词典（代词）：PRON When two people, things, or groups have just been mentioned, you can refer to the first of them as the former. 前者• They grappled with the problem of connecting the electricity and water supplies. The former proved simple compared with the latter.他们设法解决供电和供水的连接问题。前者与后者相比证明很简单。

former student[英][ˈfɔ:mə ˈstju:dənt][美][ˈfɔrmɚ ˈstudnt]校友; 例句:1.He is a former student who is now 27. 他以前是学生，现在27岁了。 2.On june 22nd ren ng, a former student of his at stanford, launched a new companycalled lytro, promising to launch an affordable snapshot camera this autumn. 6月22日，他在斯坦福大学的学生ren ng，建立了一个名为lytro的新公司，有希望看在今年秋天推出一款物美价廉的快照相机。

这是一个词？

former是形容词“前者的”，加上the组成名词词组the former作名词性代项（不是代词）表示“前者”。