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long ton

noun
1.
See under ton1 (def 1).
Abbreviation: L.T.
Origin
1820-1830
1820-30

ton1

[tuhn] /tʌn/
noun
1.
a unit of weight, equivalent to 2000 pounds (0.907 metric ton) avoirdupois (short ton) in the U.S. and 2240 pounds (1.016 metric tons) avoirdupois (long ton) in Great Britain.
2.
Also called freight ton. a unit of volume for freight that weighs one ton, varying with the type of freight measured, as 40 cubic feet of oak timber or 20 bushels of wheat.
5.
a unit of volume used in transportation by sea, commonly equal to 40 cubic feet (1.13 cu. m) (shipping ton or measurement ton)
6.
a unit of internal capacity of ships, equal to 100 cubic feet (2.83 cu. m) (register ton)
7.
Often, tons. Informal. a great quantity; a lot:
a ton of jokes; tons of wedding presents.
8.
British Informal. a speed of 100 miles per hour.
Origin
1350-1400; Middle English; variant of tun
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Examples from the web for long ton
  • The traditional weight term used in naval architecture is the long ton, as discussed in the past section.
British Dictionary definitions for long ton

long ton

noun
1.
the full name for ton1 (sense 1)

ton1

/tʌn/
noun
1.
(Brit) Also called long ton. a unit of weight equal to 2240 pounds or 1016.046909 kilograms
2.
(US) Also called short ton, net ton. a unit of weight equal to 2000 pounds or 907.184 kilograms
3.
Also called metric ton, tonne. a unit of weight equal to 1000 kilograms
4.
Also called freight ton. a unit of volume or weight used for charging or measuring freight in shipping. It depends on the type of material being shipped but is often taken as 40 cubic feet, 1 cubic metre, or 1000 kilograms: freight is charged at £40 per ton of 1 cubic metre
5.
Also called measurement ton, shipping ton. a unit of volume used in shipping freight, equal to 40 cubic feet, irrespective of the commodity shipped
6.
Also called displacement ton. a unit used for measuring the displacement of a ship, equal to 35 cubic feet of sea water or 2240 pounds
7.
Also called register ton. a unit of internal capacity of ships equal to 100 cubic feet
See also tons
Word Origin
C14: variant of tun

ton2

/tɔ̃/
noun
1.
style, fashion, or distinction
Word Origin
C18: from French, from Latin tonustone

ton3

/tʌn/
noun
1.
(slang, mainly Brit) a score or achievement of a hundred, esp a hundred miles per hour, as on a motorcycle
Word Origin
C20: special use of ton1 applied to quantities of one hundred
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for long ton

ton

n.

late 14c., tonne, unit for measuring the carrying capacity of a ship, originally "space occupied by a tun or cask of wine," thus identical to tun (q.v.). The two words were not differentiated until 1680s. The measure of weight is first recorded late 15c.; the spelling ton is from 1530s, and became firmly established 18c.

Online Etymology Dictionary, © 2010 Douglas Harper
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long ton in Science
long ton  
See ton.
ton
  (tŭn)   
  1. A unit of weight in the US Customary System equal to 2,000 pounds (900 kilograms). Also called short ton. See Table at measurement.

  2. A unit of weight in the US Customary System equal to 2,240 pounds (1,008 kilograms). Also called long ton. See Table at measurement.

  3. See metric ton.


The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Slang definitions & phrases for long ton

tommy gun

noun phrase

A handheld automatic repeating firearm; a submachine gun; burp gun, chopper

[1929+; fr the name of the .45-caliber Thompson submachine gun, the earliest well-known weapon of this sort, and a favorite arm of the gangster era]


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Related Abbreviations for long ton

TON

threshold odor number
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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Idioms and Phrases with long ton
The American Heritage® Idioms Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Article for long ton

ton

unit of weight in the avoirdupois system equal to 2,000 pounds (907.18 kg) in the United States (the short ton) and 2,240 pounds (1,016.05 kg) in Britain (the long ton). The metric ton used in most other countries is 1,000 kg, equivalent to 2,204.6 pounds avoirdupois. The term derives from tun, denoting a large barrel used in the wine trade and named from the French tonnerre, or "thunder," in turn named for the rumbling it produced when rolled. Ton came to mean any large weight, until it was standardized at 20 hundredweight although the total weight could be 2,000, 2,160, 2,240, or 2,400 pounds (from 907.18 to 1088.62 kg) depending on whether the corresponding hundredweight contained 100, 108, 112, or 120 pounds

Learn more about ton with a free trial on Britannica.com
Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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5
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