トン数の定義と意味

TONNAGE Definition & Meaning | Dictionary.com Synonyms tonnage American [ tuhn -ij] / ˈtʌn ɪdʒ / Or tunnage noun the capacity of a merchant vessel, expressed either in units of weight, as deadweight tons , or of volume, as gross tons . ships collectively considered with reference to their carrying capacity or together with their cargoes. a duty on ships or boats at so much per ton of cargo or freight, or according to the capacity in tons . tonnage British / ˈtʌnɪdʒ / noun the capacity of a merchant ship expressed in tons, for which purpose a ton is considered as 40 cubic feet of freight or 100 cubic feet of bulk cargo, unless such an amount would weigh more than 2000 pounds in which case the actual weight is used the weight of the cargo of a merchant ship the total amount of shipping of a port or nation, estimated by the capacity of its ships a duty on ships based either on their capacity or their register tonnage "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 Etymology Origin of tonnage 1375–1425; late Middle English: duty < Old French. See ton 1 , -age Explanation Tonnage is a type of tax. Tonnage is charged to the owners of ships that enter the United States, and the charge depends on how much their freight weighs. See the word ton in tonnage ? That’s a clue this word is related to weight. In fact, it has to do with how much cargo weight is on a ship that's entering the U.S. The greater the weight, the greater the tonnage, which is a tax the ship’s owners must pay. Companies that ship a lot of heavy, bulky goods to the U.S. have to pay a lot of tonnage. Keep Reading on Vocabulary.com Vocabulary lists containing tonnage The Constitution of the United States Looking to grow your vocabulary? Check out this interactive, curated word list from our team of English language specialists at Vocabulary.com – one of over 17,000 lists we've built to help learners worldwide! "A Sound of Thunder" by Ray Bradbury Interested in learning more words like this one? Our team at Vocabulary.com has got you covered! You can review flashcards, quiz yourself, practice spelling, and more – and it's all completely free to use! Florida's B.E.S.T. Common Suffixes: -age Want to remember this word for good? Start your learning journey today with our library of interactive, themed word lists built by the experts at Vocabulary.com – we'll help you make the most of your study time! Example Sentences Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com. DBS economists expect export growth to accelerate to 8.4% in April from 2.5% in March, noting that container ship deadweight tonnage at 20 major ports rose during the period. From The Wall Street Journal • May 1, 2026 More than a quarter of that tonnage is heavy rare earth oxides, which are used in defense, clean energy, and technology applications. From Barron's • Apr. 17, 2026 Over this period, the Indian navy more than doubled its tonnage, but China’s naval tonnage more than quadrupled. From The Wall Street Journal • Feb. 25, 2026 The total number of such larger sites is likely to be higher, as the Environment Agency has previously told the BBC it does not hold data on tonnage for every illegal tip. From BBC • Jan. 30, 2026 A mere dozen species account for over 80 percent of the modern world’s annual tonnage of all crops. From "Guns, Germs, and Steel: The Fates of Human Societies" by Jared M. Diamond Related Words amount breadth capacity content diameter extent height intensity length magnitude proportion range scope stature volume width Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023 Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.