plummet


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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 ?
It's little wonder that business sentiment has plummeted again.
The training during Lobo Plummet is necessary because it continues to challenge the air-to-air mindset, allows pilots to work on their tactics, and broadens their abilities as a multi-role fighter.
'For provincial capital of Peshawar, such temperature is a rare phenomenon,' Shah said, adding that the last time the city saw sub-zero temperatures was all the way back in 1984 when the temperatures plummeted to -1.6 degrees Celsius.
The project has been led by Zip World's co-founder and codirector Nick Moriarty and the firm says it's a significant improvement on the original solo Plummet experience.
There are additional costs for Plummet 2 Hell ([pounds sterling]15 per person or [pounds sterling]20 for two to ride tandem) and Screamride (which costs [pounds sterling]10 per person).
With Plummet 2 participants drop through a trap door more than 100ft high to experience the closest thing to freefalling before a huge fan ensures they land gently.
This consequently caused the company's profit to plummet.
Bookmaker Coral is offering 2/1 that next month will be the coldest January on record as temperatures threaten to plummet again.
Cypriot residents travelling to the UK plummeted by 61.8 per cent in October compared to the same period last year.
A day after Standard and Poor Ratings Services downgraded BNP Paribas (EPA: BNP), stock prices of banks in France plummeted.
Since supply is greater than demand, the price of a litre of milk has plummeted to around 25 eurocents although it costs the farmer nearly 40 eurocents to produce, according to the EMB.
The closed construction of the plummets is the basic measurement set (a few plummets mutually connected) and control set (a single plummet mounted on the whole length).