1. the metal bob of a plumb line

1. drop sharply;

   "The stock market plummeted"
   

1.（数量、比率或价格）骤然下跌，暴跌
If an amount, rate, or priceplummets, it decreases quickly by a large amount.

plummet

e.g. In Tokyo share prices have plummeted for the sixth successive day...
东京股价已连续第6天猛跌。
e.g. The Prime Minister's popularity has plummeted to an all-time low in recent weeks...
首相的支持率在近几个星期已骤跌至前所未有的低点。

2.（通常指从高处）快速落下，陡直掉下
If someone or somethingplummets, they fall very fast towards the ground, usually from a great height.

e.g. The jet burst into flames and plummeted to the ground...
这架喷气式飞机突然着火，急速坠地。
e.g. The car went out of control on a bend and plummeted down an embankment.
车子在弯道处失去控制，一头扎下堤岸。

1. 骤然跌落：票面价值 par value | 骤然跌落plummet | 集合基金 pool

2. 垂直落下,骤然跌落,暴跌：10.buying spree 狂购乱买 | 11.plummet 垂直落下,骤然跌落,暴跌 | 12.stall 停滞

3. plummet的意思

3. 大幅下跌;暴泻;直线下降：plough back 把利润再投资 |plummet 大幅下跌;暴泻;直线下降 | plunge 大跌;急挫

4. plummet的解释

4. 铅锤：plummet 测锤 |plummet 铅锤 |plummet 铅垂线