rot

[rot]
verb (used without object), rotted, rotting.
1.
to undergo decomposition; decay.
2.
to deteriorate, disintegrate, fall, or become weak due to decay (often followed by away, from, off, etc.).
3.
to languish, as in confinement.
4.
to become morally corrupt or offensive.
verb (used with object), rotted, rotting.
5.
to cause to rot: Dampness rots wood.
6.
to cause moral decay in; cause to become morally corrupt.
7.
to ret (flax, hemp, etc.).
noun
8.
the process of rotting.
9.
the state of being rotten; decay; putrefaction: the rot of an old house.
10.
rotting or rotten matter: the rot and waste of a swamp.
11.
moral or social decay or corruption.
12.
Pathology. any disease characterized by decay.
13.
Plant Pathology.
a.
any of various forms of decay produced by fungi or bacteria.
b.
any disease so characterized.
14.
Veterinary Pathology. a bacterial infection of sheep and cattle characterized by decay of the hoofs, caused by Fusobacterium necrophorum in cattle and Bacteroides nodosus in sheep.
interjection
16.
(used to express disagreement, distaste, or disgust.)

Origin:
before 900; (v.) Middle English rot(t)en, Old English rotian, cognate with Frisian rotsje, Dutch rotten; (noun) Middle English, perhaps < Old Norse rot (perhaps partly derivative of the v.); cf. ret, rotten)

half-rotted, adjective
unrotted, adjective


1. mold, molder, putrefy, spoil. See decay. 9. decomposition, mold.


4, 6. purify.
Dictionary.com Unabridged

ROT

rule of thumb.

rot.

1.
rotating.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
rot1 (rɒt)
 
vb , rots, rotting, rotted
1.  to decay or cause to decay as a result of bacterial or fungal action
2.  (intr; usually foll by off or away) to fall or crumble (off) or break (away), as from natural decay, corrosive action, or long use
3.  (intr) to become weak, debilitated, or depressed through inertia, confinement, etc; languish: rotting in prison
4.  to become or cause to become morally corrupt or degenerate
5.  (tr) textiles another word for ret
 
n
6.  the process of rotting or the state of being rotten
7.  something decomposed, disintegrated, or degenerateRelated: putrid
8.  short for dry rot
9.  pathol any putrefactive decomposition of tissues
10.  a condition in plants characterized by breakdown and decay of tissues, caused by bacteria, fungi, etc
11.  vet science a contagious fungal disease of the feet of sheep characterized by inflammation, swelling, a foul-smelling discharge, and lameness
12.  (also interjection) nonsense; rubbish
 
Related: putrid
 
[Old English rotian (vb); related to Old Norse rotna. C13 (noun), from Scandinavian]

rot2
 
abbreviation for
rotation (of a mathematical function)

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

rot
O.E. rotian "to decay," from P.Gmc. *rutjan (cf. O.S. roton, O.N. rotna, O.Fris. rotia, M.Du. roten, O.H.G. rozzen "to rot," Ger. rößen "to steep flax"), from stem *rut-. The noun (c.1300) probably is of Scand. origin (cf. Icel. rot, Swed. röta, Dan. røde "decay, putrefaction"),
and is related to the verb. Slang noun sense of "rubbish, trash" is from 1848. Rotgut "unwholesome liquor" is from 1633; rotter "one who is objectionable on moral grounds" is 1894 slang.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
rot   (rŏt)  Pronunciation Key 
Verb   To undergo decomposition, especially organic decomposition; decay.

Noun   Any of several plant diseases characterized by the breakdown of tissue and caused by various bacteria or fungi.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang Dictionary

rot definition


  1. n.
    nonsense. : Don't give me any more of your rot. Speak straight with me.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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American Heritage
Abbreviations & Acronyms
ROT
  1. registered options trader

  2. right occipitotransverse (position)

rot.
  1. rotating

  2. rotation

The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
Cite This Source
Encyclopedia Britannica
Encyclopedia

rot

any of several plant diseases, caused by any of hundreds of species of soil-borne bacteria and fungi. They are characterized by plant decomposition and putrefaction. The decay may be hard, dry, spongy, watery, mushy, or slimy and may affect any plant part

Learn more about rot with a free trial on Britannica.com.

Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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Example sentences
There are others, though brain rot seems to have set in.
The rafflesia's five fleshy petals begin to rot soon after they blossom, giving
  off an odor of decay.
The wood resisted rot and warping, making it a favorite for fencing, utility
  poles and furniture.
Even more maddening, the wood above and below the rot is nearly always perfect.
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