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Definition of plummet - 3 dictionary results
Plummeting
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plum⋅met

  [pluhm-it]
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–noun
1. Also called plumb bob. a piece of lead or some other weight attached to a line, used for determining perpendicularity, for sounding, etc.; the bob of a plumb line.
2. something that weighs down or depresses.
–verb (used without object)
3. to plunge.
Origin:
1350–1400; (n.) ME plommet < MF, dim. of plomb lead; (v.) deriv. of the n. See plumb, -et

Synonyms:
3. fall, dive, drop, swoop.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2009.
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Plummeting
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plumb bob  
n.  A usually conical metal weight attached to the end of a plumb line. Also called plummet.
plum·met   (plŭm'ĭt)   
n.  

  1. See plumb bob.

  2. Something that weighs down or oppresses; a burden.

intr.v.   plum·met·ed, plum·met·ing, plum·mets

  1. To fall straight down; plunge.

  2. To decline suddenly and steeply: Stock prices plummeted.


[Middle English plomet, from Old French, ball of lead, diminutive of plom, plomb, sounding lead, from Latin plumbum.]
The American Heritage® Dictionary of the English Language, Fourth Edition
Copyright © 2009 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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