plummet

(redirected from plummeting)
Also found in: Dictionary, Thesaurus, Idioms.

plummet

a lead plumb used by anglers to determine the depth of water

plummet

[′pləm·ət]
(engineering)
A loose-fitting metal plug in a tapered rotameter tube which moves upward (or downward) with an increase (or decrease) in fluid flow rate upward through the tube. Also known as float.

plumb bob, plummet

A shaped metal weight which is suspended from the lower end of a line to determine the vertical. (See illustration p. 744.)
References in periodicals archive ?
Summary: Cities and towns across the world are experiencing record snow fall and plummeting temperatures.
Fabien, 36, said: "It started plummeting to the bottom - it crashed and I was pinned there.
News at the weekend that telecoms group WorldCom had finally applied for bankruptcy protection - the last alternative to having creditors take over - sent New York's Dow Jones Industrial Average plummeting by as much as 180 points as London closed.