Meaning of PLUMMET in English
(~s, ~ing, ~ed)
If an amount, rate, or price ~s, it decreases quickly by a large amount. (JOURNALISM)
In Tokyo share prices have ~ed for the sixth successive day...
The Prime Minister’s popularity has ~ed to an all-time low in recent weeks...
The shares have ~ed from 130p to 2.25p in the past year.
VERB: V, V to n, V from/to/by n
If someone or something ~s, they fall very fast towards the ground, usually from a great height.
The jet burst into flames and ~ed to the ground...
VERB: V prep
Collins COBUILD. Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) . 2012