dūn
ton (loanword)
Taiwan pr. [dun4]
dūn jí
tonnage
class in tons (of a passenger ship)
zǒng dūn wèi
overall tonnage (of a shipping fleet or company)
dūn gōng lǐ
ton-kilometer (unit of capacity of transport system)
Yīng dūn
tonne
imperial or US tonne, equal to 2240 pounds or 1.016 metric tons
děng xiào bǎi wàn dūn dāng liàng
equivalent megatonnage (EMT)
Lán dūn
old form of London, capital of United Kingdom
now written 倫敦|伦敦