ton

noun15

1. •
   Any of various units of mass, originally notionally equal to the contents of a tun
2. •
   (figurative) a very large amount or number of something

   • I’ve got a ton of work to do.
   • I've got tons of work to do.
3. •
   The short ton of 2000 pounds (about 907 kg), 20 hundredweights of 100 pounds avoirdupois each.
4. •
   The long ton of 2240 pounds (about 1016 kg), 20 hundredweights of 112 pounds avoirdupois each.
5. •
   The metric ton of 1000 kilograms (about 2205 lb), 10 quintals of 100 kilograms each.
6. •
   (UK, informal) 100 pounds sterling.
7. •
   (UK, informal) 100 points.
8. •
   (UK, informal) 100 runs.
9. •
   (UK, informal) A speed of 100 mph (160 km/h).

   • Speed along the lane / Do a ton or a ton and twenty-five — 1970
10. •
    (UK, informal) Synonym of hundred
11. •
    Any of various units of volume, originally notionally equal to the contents of a tun
12. •
    The measurement ton of (US) 40 or (UK) 42 cubic feet (about 1.1 or 1.2 m³).
13. •
    The register ton of 100 cubic feet (about 2.83 m³).
14. •
    A unit of thermal power equal to 12,000 BTU/h (about 3.5 kW), approximating the idealized rate of cooling provided by uniform isothermal melting of 1 short ton of ice per day at 0°C.

    • Their main problem is that they somehow believe that a 12-ton unit can handle this entire building.
15. •
    Synonym of tunny, particularly the common tunny or horse mackerel.

noun2

1. •
   Fashionable society; those in style.

   • [S]he thought herself incapable of being flattered by the attentions of a man she despised, because he was the reigning idol of the ton […]. — 1790
2. •
   Fashion, the current style, the vogue.

   • A clergyman cannot be high in state or fashion. He must not head mobs, or set the ton in dress. — 1814

noun1

1. •
   Initialism of threshold odor number.