| 释义 |
ton·nage
\ˈtənij, -nēj\ noun
(-s)
Etymology: in sense 1, from Middle English, from Middle French, from Old French tonne barrel, tun + -age; in other senses, from ton (II) + -age
1. also tun·nage \“\ : a duty formerly levied on every tun of wine imported and exported
2.
a. : a duty or impost on vessels based on cargo capacity
b. : a duty, toll, or rate on goods per ton transported on canals
3. : ships in terms of the total number of tons registered or carried or of the sum of their carrying capacity
< the tonnage built in American shipyards is small >
< the tonnage devoted to Oriental trade >
4.
a. : the capacity of a merchant ship in units of 100 cubic feet of enclosed space — compare deadweight capacity, net tonnage
b. : the displacement of a warship
5. : total weight in tons : aggregate of tons shipped, carried, or mined
< this mine's daily tonnage is large >
< a railroad with the year's record for tonnage >
6. : the rating in tons of the pressure or thrust exerted by a machine or engine
< tonnage of a press >
< tonnage of a rocket engine > |