a unit of mass equal to 1,000 kilograms

ton-kilometer (unit of capacity of transport system)

overall tonnage (of a shipping fleet or company)

xanthone (chemistry)

(old) London (now written [[伦敦|倫敦|Lun2 dun1]])

a unit of weight or explosive power equal to one million tons

equivalent megatonnage (EMT)

British imperial unit of weight equal to 2240 pounds or approximately 1.016 metric tons

dead weight ton

classification or size of a vessel or vehicle measured in tons

xanthene (chemistry)